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We have selected questions that we feel are of interest to most of our web site visitors.
Answers published on these pages are strictly the opinion of those submitting them.
Some pest management professionals may have different solutions or opinions.
Mosquito, Aphid and Leaf Miner/in Ask an Expert /by Pest Control Canada
Hey, I live in Edmonton and have been trying to find a good concentrate to control my mosquito, aphid and leaf miner problems in my yard. Is there any product that you would suggest that is pet friendly?
Control of mosquitoes, aphids, and leaf miners: There is no one product that will provide safe control for all three types of insects mentioned here.
a. Mosquitoes – The best control is locating and eliminating larval sites – basically any container, natural or man-made, that will hold water for a week or more. There is currently only one pesticide product on the market licensed by the Pest Management and Regulatory Agency (PMRA) of Health Canada for domestic or homeowner larviciding. Called Aquabac, it is a bacterial formulation very safe to use. Click here for details. I do not know of any effective control for adult mosquitoes approved for homeowner use in Canada.
b. Aphids – If the affected plants are fairly sturdy, a strong stream of water from a garden hose may suffice to wash the aphids from the plants, killing some of them at least during the process. Otherwise, an application of an insecticidal soap or Neem oil should work; these are safe to use around pets.
c. Leaf miners – I am not aware of any product in Canada labeled specifically for homeowner use against leafminers. You might try Neem oil or Spinosad if you can get it (currently undergoing registry review in Canada). Commercial greenhouse operations have used nematodes and parasitic wasps; Click here for details.
Red Mite infestation/in Ask an Expert /by Pest Control Canada
Hi, We have a severe Dermanyssus gallinae/Red Mite infestation. Will keeping our house between 70°F and a relative humidity of 35%-40% help decrease our red mite problem?
Dermanyssus gallinae/Red Mite infestation – Has the source of the infestation been identified? Control will be much easier if the source (such as an abandoned bird nest) can be identified and removed. The following was found at Click here : “If physicians suspect and/or confirm dermanyssosis in urban outbreaks, the following measures will achieve complete regression of the symptoms, and no evidence of mites or dermatitis will appear in the follow-up period: (i) patient showering extensively and washing their clothes at 60 °C; (ii) removal of the mite source (abandoned birds’ nest); (iii) intensive vacuum cleaning, removal of the vacuum bag which needs to be packed in a sealed plastic bag and thrown away outside in a contained bin; (iv) disinfestation of the infested areas using pyrethroids: (v) steam cleaning or washing of textiles (curtains, carpets, cushions) at 60 °C and then preferably dried with an automated laundry drier. Textiles which cannot be washed at 60 °C should be placed in a plastic bag for a day together with anti-moth balls releasing an acaricide product.”
Carpenter ants/in Ask an Expert /by Pest Control Canada
Carpenter ants: Hello, During the May and early June, I found 4 major and minor carpenter ants in the my kitchen. These were the times of the day found:
(1) ~7pm crawling from my basement stairs into my work room. Minor.
(2) ~6pm same area as the previous, near my back door. Minor.
(3) ~11:30am on my ceiling crawling away from my back door. Minor.
(4) 7am (but I found it stuck in a spider web at the bottom of my basement stairs). Major.
I should add that my basement stairs are directly in front of my backdoor. There is an old wooden shed at my neighbors house ~50 yards away. I’m not sure what is in it. My other neighbors have a pile of old tree branches ~30 yards away. I don’t hear clicking in my walls late at night. All 4 times, they were not carrying food. Where are these things coming from? I should add that the weather strip at the top of my door needs to be replaced. Thank you, Wally.
Carpenter ants – These ants usually only attack wood that already is unsound, especially from moisture. The customer should check all areas where moisture could come in contact with wood for signs of damage. These would not always be in the basement; several years ago, we had a small infestation in the roof over our back porch where a leak in the metal roofing had allowed water to enter and damage the wood. In the meantime, this is a good reference to consult: Click here
Millipedes/in Ask an Expert /by Pest Control Canada
MILLIPEDEs: I have an infestation of millimetres around my garage and my house and they’re getting in my house I live in Newfoundland which is in Canada can you help.
Infestation of millimetres – I am assuming the customer means millipedes. These are nuisance pests that are not going to cause any real harm. It is nearly impossible to keep some from gaining entry indoors, but keeping indoor humidity levels as low as practical and eliminating sources of unnecessary moisture will discourage them from staying. For more suggestions, see Click here
Rat Exclusion/in Ask an Expert /by Pest Control Canada
RATS: What is the best method for making sure a rat doesn’t come back. I’ve been seeing peppermint oil, steel wool and caulking? I’ve also been reading to keep pet food and water dishes away. I have a cat. The food being put away is ok.. but the water dish would be bad for my cats health. I’m worried he wouldn’t be drinking enough water and get a urinary tract infection. An exterminator was in my apartment, but didn’t find any structural damage. The rat got in somehow, so apparently now I have to find it myself. Any help would be very appreciated.
Rat Exclusion – Rat Exclusion – I suggest that the customer review this comprehensive publication: Click here
Dragon Insecticide/in Ask an Expert /by Pest Control Canada
DRAGNET: Hi I’m looking to find out if you could help with some literature on the solution dragnet. I’m aware that the main chemical is permethrin, is there other chemicals in it and would there be any long term health concerns for children of used. Thanks in advance. Tom
Dragon Insecticide – According to the label, “This product contains petroleum distillate. Treat symptomatically for ingestion, skin and eye contact. DO NOT induce vomiting.” Click here
Skunk/in Ask an Expert /by Pest Control Canada
SKUNK RELOCATION: Hi, I have a skunk(s) under my cabano in the back yard.I tried spraying the back yard with Chili peppers and cayenne powder, but it does not seem to get rid of the skunks. Please let me know if the skunk(s) could be trapped and released to wildlife. Thank you. MONTRÉAL.
We are certain about legal issues, but trapping and relocation of wildlife in general by homeowners usually is not recommended. The questioner might find this site helpful: “Common Skunk Problems” Click here
Talstar/in Ask an Expert /by Pest Control Canada
TALSTAR – Is Talstar legal in Canada?
Rats/in Ask an Expert /by Pest Control Canada
RATS – I heard rats in my attic a couple weeks ago. I had my landlord send an exterminator and he really seems to know what he is talking about, but what doesn’t make sense to me us that he doesn’t want to inspect my attic at all, set traps, or seal up any holes. He just blocked holes they could get into from all around the outside of my house and roof and set traps in garage and water heater room. My concern is: What if the rats are coming from holes connecting me and my neighbor’s attics? Then what he did would have solved nothing. Is what he is doing the right thing? Las Vegas.
The landlord should know whether or not there is any connectivity between the attic spaces of the apartment/condo units. If he/she does not know this, request an inspection to find out, and if there is indeed connectivity, the exterminator needs to come back and determine if additional control measures are needed.
Ceiling noise/in Ask an Expert /by Pest Control Canada
CEILING NOISE – Hi, I was wondering if you can help me out about a problem I am having not sure what it is but I am hearing something in my living room ceiling no sounds just little scratches I am wondering what it could be and how it’s getting in there …Thanks. Burnt Islands
If there is crawl space/attic above the living room, check to see if there are any exterior openings (ventilation louvres, etc.) that could allow ‘visitors’ such as squirrels or other rodents entry. We had a similar problem in our house years ago, when squirrels gained entry to our attic via a ventilation port that had not been covered with a screen.
Seaweed flies/in Ask an Expert /by Pest Control Canada
SEAWEED FLIES – House is located 20 meters from the sea. In late fall, during a spell of warm weather, we are infested by small (3/16 in.) slender flies that seem to breed in seaweed. They come out of seaweed in hoards when it is disturbed. Once inside they seek the windows. Difficult to kill, need to be squashed after the swat. Once the window is cleared, they reappear in no time. Never had them in the house in spring until this year. Result of egg laying? Petit-Rocher
These most likely are kelp flies (Diptera: Coelopidae). Their larvae feed on stranded and rotting seaweed, and they can become quite abundant. About all you can do is to keep all windows and doors tightly closed or screened.
Knitting wool/in Ask an Expert /by Pest Control Canada
KNITTING WOOL – I have a big wooden box filled with knitting wool, which stands on the floor. The box is quite big, standing waist high. Last June we had an infestation of cockroaches. This was eradicated by a pest control firm. The cockroaches managed to crawl into the box, and killed there. I should very much like to use the wool. Is it safe for me to use the wool? Taking into account the cockroaches were killed there by pesticide and also the cockroaches may be breeding. Many thanks. Vaughan Ontario.
It probably is safe to use the wool, but to be sure, you need to find out exactly which chemical(s) were used to treat for the cockroaches. If it was a synthetic pyrethroid of some kind (the commonest ones used for this purpose), you’re OK as they have a very short residual life. If it was some other type, you will have to find out how long any residue persists in the environment.
Bed bugs/in Ask an Expert /by Pest Control Canada
BED BUGS – How long bed bugs will survive in cold temperatures without blood availability. We have kept few things in a storage unit like mattresses and kitchen stuff from bed bugs affected house. It was there for more than 2 months under -10 temperature. Do you think the bed bugs could survive this..? Belleville.
If the temperature was -10 F, any bed bugs certainly would be killed. If it was -10 C, their death still would be very likely, but not 100% guaranteed.
Spiders/in Ask an Expert /by Pest Control Canada
SPIDERS – Hello, I find at least 5 spiders a day in my home. Sometimes up to a dozen. Should I be calling an exterminator? Sainte-anne-de-bellevue.
The only spider dangerous to humans that might occur in the Sainte-Anne-de-Bellevue area is the northern black widow, and those would be in their webs in dark, undisturbed places rather than wandering about. The spiders seen by the inquirer best may be left to go about their business of pest control.
Mouse/in Ask an Expert /by Pest Control Canada
Mouse – I’ve recently had a mouse problem in my home — I’ve clogged any hole I can find with steel wool, and my landlord planted blocks of turquoise poison. In the first two days, the mice ate two whole blocks, then on the third day, part of a third. This was last Wed-Fri. We are no 1 week later, and in some rooms, despite me blocking the holes I can see, I believe there are still mice eating away at the blocks of poison I’ve dropped there (they move overnight, I have picture proof of it). How long does it take for these blocks of poison to kill mice? And how are they not leaving any pee or poop to trace, but still chewing poison? Montréal
It may take four to six days for rodents to die once they have ingested a lethal dose. Also, just because the bait blocks have moved doesn’t necessarily mean that it was done by mice.
Clothing Moths/in Ask an Expert /by Pest Control Canada
Clothing Moths – My house is infested with clothing moths. The golden ones who lay white eggs. Not casing . I m allergic to them and have a chronic immune illness. T m looking for the most effective, quickest treatment . The companies i ve called r giving me conflicting info and r not open to much info sharing. There s a treatment know as bombing ( i had the name of chemical and lost it.) i was hoping to get that and buy moth eating wasps to use and to give to my adult children just in case. Can you please , please tell me the name of the chemical that is called bombing. It s a mist not a liquid. Can you also tell me if my plan is the best one . The companies seem only to want to book an inspection but have told me that not all companies have same product and won’t tell me the products they carry. I don t mind paying for an inspection but i do mind paying for one if the company doesn’t have all the products and experience in exterminating clothing moths . Meanwhile, i ve been sicker in last 3 yrs and bedridden. I discovered them in rolled up pure wool rug . It was crawling in them and have obviously been there for at least 2 yrs is my guess. I have quite a few good pictures if u want them. Any info would be helpful. Please answer. Thank you. Denise. Ontario.
First off, I suggest that they use pheromone-baited traps specific for clothes moths to certain that is what they really have (we often see small moths flitting about our house, but have never seen a true clothes moth). Click here and Click here for examples. Use of an aerosol spray in conjunction with other control measures may be useful, but check the label to be sure that clothes moths are among the pests the spray is supposed to control. Click here for a very detailed fact sheet on clothes moth control.
Silverfish/in Ask an Expert /by Pest Control Canada
Will the Roach Motel trap silver fish as well. Too many of them in my apartment, washroom floor and lower kitchen cupboard? Thanks, Bob. Vancouver
The silverfish question. A Roach Motel will trap any small creature (including silverfish) that ventures onto its sticky surface, but there is no substance in them that would attract silverfish. Thus, although they can be quite useful in monitoring silverfish activity, they do not constitute an effective control measure.
Bird mite/in Ask an Expert /by Pest Control Canada
We’ve had an on going problem with suspected bird mites for 4 years. We recently inspected the exterior of our home and found bird feathers in our attic. We had a company completely remove, disinfectant and reinstall new insulation in the area where the suspected bird nest was found in hopes that this would solve our mite problem. This happened on December 10th. It is now January 4th and these mites are still returning. When can I expect the mite population to properly dissipate. If not, what can I do to properly identify this pest? Toronto.
The persistent bird mite problem – have the mites been identified to species? Most bird mites cannot thrive/persist on human blood, but there are exceptions, such as Dermanyssus gallinae. If this is what they have, eradication can be quite difficult – see Click here for details.
Cockroaches/1 Comment/in Ask an Expert /by Pest Control Canada
Hi, We are moving out of a place with a massive cockroach infestation. How do we safely clean kitchen gadgets, especially larger ones (e.g. microwave, instant pot, that sort of stuff) to ensure we don’t take any unintended passengers with us to the new place, please? The roaches like to hide in dark places, so are pretty likely to be in the internal parts of the device where we can’t easily look. Thank you so much! North York
Weather may be your friend here – if you have a place where it would be safe to leave your appliances outdoors or in an unheated room in freezing temperatures, you may be able to kill any roaches present. German cockroaches cannot tolerate exposure to temperatures colder than 14 F (-10 C) for more than an hour, or 10 hours at temperatures below 45 F (7 C). If you feel you must clean, use a mild detergent in warm water to clean all surfaces, but be sure to read the appliance manuals for any precautions. Also, if you do not need to move immediately, you could try setting out a few roach bait stations or ‘roach motels’ to see if you detect any activity.
Bed Bugs/in Ask an Expert /by Pest Control Canada
Will putting the bed outside when it’s -0 or lower kill the bugs. Edmonton
I’m assuming that this is referring to bed bugs. If so, that depends on which temperature scale is being used. If it is Celsius (C), the answer is no. If it is Fahrenheit (F) the answer is yes. Click here for detailed information.
Wasps/in Ask an Expert /by Pest Control Canada
WASP NEST IN ROOF. Sorry long message A few months ago end of July early August I noticed wasps getting into a space under my roof I told my landlord thinking he’d get a professional to see to it but nope he only plugged it up him self before making sure their was no nest and way would they be dead now and if not what do I do I am hearing like a humming/buzzing in my ceiling going from one end of my trailer to the other I also had a bees nest in my crawl space under my trailer that he sprayed and I haven’t seen any since I was stung a few times by a wasp and also by a carpenter bee I just noticed the buzzing wen everyone got quite I haven’t been home all day so I am not sure wen it started but is the humming or buzzing I hear wasps if so how do I get ride of them I feel like my landlord just put a quick fix on the problem without actually getting to the base of the problem. Summerside, Prince Edward Island
Wasp infestation in trailer ceiling – First, make sure that the buzzing sound is coming from insects and not some other source, such as an electrical problem. If it is indeed coming from wasps, with your landlord’s permission, make an opening into the space above the ceiling from the outside of the trailer large enough to insert a nozzle from an aerosol spray (preferably a synthetic pyrethroid) labeled for homeowner use (check label for any fire hazard warning – if none, spray out the contents and seal up the opening). If the buzzing persists after this or if you cannot get permission to apply the spray, you may have to let cold winter weather take care of the job. Normally, only the queen survives the winter, and if she remains sealed up in that space, she will be unable to establish a new colony. Just be sure that you go over the trailer very carefully to be certain that any potential entry places have been covered/sealed.
Bird mites/in Ask an Expert /by Pest Control Canada
I’ve had a terrible rat mite problem for 3 years. I’ve lost access to my bedroom and my study room. I’ve had pest control come in to leave rat traps and spray for rat mites. I haven’t seen a rat in over 2 years, but after 3 months of pest control spray, the mites keep returning. What am I doing wrong? Why do the rat mites keep returning? Toronto
If rats have indeed been eliminated from your premises, your problem may not be rat mites, as these cannot complete their life cycle on humans alone. I suggest inspecting the exterior of the home and immediate surroundings for bird nests. Bird mites often are mistaken for rat mites, and like rat mites, these will invade homes and feed on humans in the absence of their usual hosts.
Cluster Flies/in Ask an Expert /by Pest Control Canada
I live in LaPeche, Qc. My south facing outside wall is covered with Cluster flies and they are starting to come in through the basement windows. How do I get rid of them? They are all over the walls and I can’t reach those high on the walls. Is there a kind of insecticide powder I can put along the bottom of the walls and balcony?
Click here for a Government of Canada pub on their control. Any flies that gain entry can be knocked down with an aerosol spray and vacuumed up.
Bed Bugs/in Ask an Expert /by Pest Control Canada
Hello! This will be a little long but I’m hoping someone could help. Two weeks ago my niece and brother in law were visiting and they stayed over night two nights she brought a backpack but it was only in the house for 10 mins ish like twice and they slept on our couch. Well apparently they have bed bugs and now I’m concerned we have them as well as soon as they left I vacuumed my couch and took all the cushions off and I have been doing this every few days since then I have not saw any bugs or any casings/ blood stains/ poop on the couch could it be too soon to notice any thing or are we out of the woods at this point?? Please help!! Hamilton
Bed Bugs: It is indeed too soon to tell whether or not you have uninvited guests, and you appear to have taken reasonable precautions. I suggest that you peruse the following document on bed bugs, about the best I’ve seen on the subject: Click here
San Diego woman living in van with 300 rats agrees to give them up/in Ask an Expert, Pest News /by Pest Control Canada
San Diego woman living in van with 300 rats agrees to give them up
Flea control/in Ask an Expert /by Pest Control Canada
I have a dog, I flea treated him but my room mate had cats that she did not treat. The infestation is bad. The room mate has since left with the cats, but my house is still infested. I never had this problem before until her cats arrived. I’m overwhelmed and don’t know what to do. Also do not own a working vacuum. Hamilton, Ontario
You should consult with a licensed veterinarian for specific advice. Click here This site has some general recommendations that may be helpful. I also highly recommend you obtain a good vacuum cleaner.
Springtail control/in Ask an Expert /by Pest Control Canada
Hi, Can you guys suggest an insecticide to get rid of springtails. I’ve had my home sprayed three times but with limited success. My home is not damp and is very clean. John H. CBS, Nefoundland
Chemical applications (usually pyrethroids) generally are not recommended for springtail control, as the effect is only temporary and applications usually must be repeated. Click here for some detailed suggestions. As you state that your home is not damp, there may be something else going on other than springtails, as they do require moist conditions in order to thrive.
Cockroach control/in Ask an Expert /by Pest Control Canada
Hello, I hope you are well. I would like to know if cockroach spray/dust is safe for infants. I live in an apartment and they are spraying to get rid of cockroaches. I have a 1 month infant. They have said that we need to leave the apartment for 4 hours after they spray. I would like to know if it is safe for my infant to re-enter the apartment after 4 hours. Please let me know. Thanks. Mississauga, Ontario
It depends on the specific pesticide being applied. If it is a synthetic pyrethroid (commonly used in cockroach control), it probably would be prudent to wait a bit longer than four hours. A Canadian government web page on pesticide safety recommends waiting 12 hours unless specified otherwise on the pesticide label – Click here
‘Absolutely nuts’: Squirrels hid 200 walnuts under this SUV’s hood/in Ask an Expert, Pest News /by Pest Control Canada
‘Absolutely nuts’: Squirrels hid 200 walnuts under this SUV’s hood
Bed bugs found at Winnipeg tax building/in Ask an Expert, Pest News /by Pest Control Canada
Bed bugs found at Winnipeg tax building
Pharaoh ants/in Ask an Expert /by Pest Control Canada
We have hundreds of tiny red ants coming out of a heat vent and baseboards. What can we use to get rid of them? Grande Prairie AB.
As you likely already know, ant control methods can be species-specific; what works well against one species may be completely ineffective against another one. That aside, if the ants are indeed tiny (less than 2 mm long), they may be Pharaoh ants, a species notoriously difficult to control. Click here for some advice
Saskatoon spent $900K removing more than 619,430 kg of potentially damaging bird poop from Buckwold Bridge/in Ask an Expert, Pest News /by Pest Control Canada
Saskatoon spent $900K removing more than 619,430 kg of potentially damaging bird poop from Buckwold Bridge
Potato beetle control/in Ask an Expert /by Pest Control Canada
We had a terrible infestation of potato bugs this year but could not find a product that would irradiate them. It seems the old products we used to buy are no longer available. Please tell me the name of a product that will work that I can buy for next year. East Selkirk.
Potato beetle control – I have had good success using a formulation containing Bacillus thuringiensis var. tenebrionis (Bt-t) bacteria. This targets the young larvae, so it should be applied every few days as soon as the eggs start to hatch. If you apply it too early, the bacteria won’t survive until the larvae emerge, so the treatment won’t work. Also, Bt-t is sensitive to UV rays, so you should spray late in the evening or on cloudy days. Also make sure that it won’t rain within 8 hours after you have sprayed. You can tell if the treatment is working because the larvae will turn black.
Cockroaches in potted plants/in Ask an Expert /by Pest Control Canada
I have a pretty bad cockroach infestation and I am in the midst of carefully moving all of my things out of my apartment but I have concerns about my plants. I have bleached their pots, hosed down the plants including the roots, and repotted them. I just bought the diatomaceous earth to put down. I was wondering if there is anything else I can do. And if this is everything, how long do you think I should wait before I can safely bring them to the new apartment (they are outside of a friend’s house at the moment). Do you think they are safe right now? I’ve always kept them super dry in an effort to make them unappealing to fungus gnats, so I doubt they were appealing to begin with, but I am so concerned. Thank you so much. Montreal.
Cockroaches in potted plants – From the sound of what you already have done, the only additional step I can suggest is to make a visual examination of each pot (especially the bottom) as you pick it up to ensure there are no hitchhikers.
Rats in home/in Ask an Expert /by Pest Control Canada
How do I get rid of rats in my home? Antigonish
Rats in home – You need to consult a professional as there is no good universal answer – each situation is unique. Search the Pestcontrolcanada pages (Click here) for a recommended company; this one appears to be the closest one to you: Click here
Importing Rodent Poison/in Ask an Expert /by Pest Control Canada
“Importing Rodent Poison”. Can I bring mouse bait “RESOLVE” or “BAIT BLOCK”from the U.S. in to Canada?
The active ingredient is Diphacinone 0.005%. Thank you. Jacquie Aird. Vancouver, B.C., Canada
Importing pesticides into Canada: Residents of Canada may purchase and import, from the United States and only for their own use, products registered with a NAFTA label. You may transport the product on your own, work together with a group of growers with a designated driver, or hire a customs broker or carrier. (Click Here)
All pesticides imported into Canada must meet Canadian standards, i.e., be registered or scheduled under the Pest Control Products Act (PCPA), and bear the Canadian label. (Click here)
Starting April 18, 2018, you can no longer bring unregistered pesticides into Canada if they are not equivalent to those already registered in Canada for personal use in or around your home (i.e., Domestic Class products). An equivalent pesticide is one that has the same active ingredient in the same concentration.
In addition, you will no longer be allowed to purchase unregistered pesticides online and have them shipped to Canada. The purchaser of the product must bring it into Canada in person. (Click here)
Japanese beetles/in Ask an Expert /by Pest Control Canada
Japanese beetles. These beetles are absolutely destroying our roses, hibiscus, hydrangea and red maple. I am so very upset. We have the traps and have sprayed what is best in their management? should I have the lawn treated for larvae and if so what time of year. Thank you. Jill. Welland Ontario.
As far as Japanese beetle control is concerned, I do not recommend traps unless your property is large enough so that you can place the traps far away from any vegetation that you want to protect (or better yet, persuade your neighbours to put some on their property!).
There are several formulations effective against the grubs (milky spore – a fungus, BTI – a bacterium, and nematodes), but these will only work on the area where applied; there is nothing to prevent adult beetles emerging from untreated areas near you to invade your property.
Click here for the best advice on Japanese beetle control (including methods, materials, and timing of applications) in your area that I have been able to find.
German cockroaches/in Ask an Expert /by Pest Control Canada
Do you know how or where I can purchase insect growth regulator in Canada. My son has purchased a house that ended up having German roaches. We have contacted a local exterminator who for $1000.00 will take care of the problem but only guaranteed for 45 days. Sounds like they will kill everything alive but the next generation. Regina.
I have found these IGRs recommended for German cockroaches:
Gentrol Point Source (Zoecon) – (this can be shipped to Canada)
Vendetta Plus Cockroach Gel Bait (4tubes) Roach Bait & I GR Roach Killer Paste – (I do not know if this can be shipped to Canada)
In the event that you cannot obtain an IGR labeled for homeowner use, you might try this bait formulation which is supposed to remain effective for up to a year – Click here or this one – Click here
Cockroach infestation/in Ask an Expert /by Pest Control Canada
Hello, Is there anyway to control a cockroach infestation in canada? It seems like there are no bait stations or boric acid dusts available in Canada. Thanks, Andrew. Saskatoon, SK.
Cockroaches are always difficult to control. Strategies to control vary depending if it is an multi unit building or an individual house.
There are boric acid dusts available but because of insect resistance and bait shyness they are not very effective. A multi prong approach is usually used composed of both chemical (baits and sprays) and non chemical control (heat, vacuuming, sticky insect traps, etc).
Good sanitation is key as cockroaches thrive in unclean environment. Kitchen grease and food crumbs behind stoves and fridges can provide food for long period of time.
It is always best to contact a pest control professional, who should work with the property management to work out a good solution.
Black wasps/in Ask an Expert /by Pest Control Canada
For 3 years in a row we have been finding black wasps in our house. Every summer 3 – 5 slowly come out of who knows where. Then we don’t see them again until the following year. Lucky my cats find them before my kids do.
The question is how do I find where they are coming from? Why do they keep coming back? Tecumseh
Wasps build new nests every year. The likelihood of new nests close to previous nests is high as the wasps go to where they think it’s a safe place to build. Seeing other nests in the vicinity makes that decision easier.
I would suggest doing a walk through along the external perimeter of the house on a nice sunny day and observe where the wasps are entering the house. They need to access a void in order to build. Once located please contact a professional to treat.
The wasps you’re seeing are probably ones that have lost their way heading out of the nest and then ending up on the inside. They will normally be slow moving as they have depleted their energy and gather by the windows, following the light in order to get out.
Vacuum them off as spraying is a waste and detrimental to ones health on the inside.
Spiders and pill bugs/in Ask an Expert /by Pest Control Canada
Hi there, we have a lot of shrubbery in the yard and experience a lot of spiders as well as pull bugs. We experience spiders inside the house as well. Looking for a suggestion and quote. Thank you. Surrey BC.
Spider population build up over time, especially if no control measures are taken around houses. A high spider population also tells one that there is a large insect population as spiders feed on insects.
Recommend using a permethrin based spray around the external perimeter of the house and along the window frames and along the eaves.
On the inside of the house, I would suggest insect sticky or monitoring boards at various locations all over the house along the baseboards. The boards should be replaced every week until the population is under control.
Spraying along the inside of house ONLY if the infestation is really heavy.
Pill bugs feed on decaying vegetation especially around the external perimeter of the house where grass clippings and other vegetations tends to collect. Once this population builds up, pill or sow bugs then tend to enter the house through cracks and crevices. Although they do not pose much of a health hazard – they are considered a nuisance.
The external perimeter spraying with a permethrin based insecticide will help bring down the sow bug population. In the inside of the house – use of only insect sticky boards to control the sow bugs.
The insect sticky boards will be effective for both the spiders and sow bugs.
Mice Treatment/in Ask an Expert /by Pest Control Canada
Thank you so much!
Response to Follow Shortly
Bedbug query/in Ask an Expert /by Pest Control Canada
I have been cleaning a friends apartment and discover after several visits in and out, that his place is infested with bed bugs? My concern is did I bring them home on my cloths? I didn’t sit down on any anything but I did remove his bed sheets etc because they were soiled. What should I do?
The bedbug query – Unless you physically removed some of the items from the infested premises and placed them in your vehicle or took them home with you, there is very little risk that you inadvertently brought bed bugs into your home. If you did take the soiled bed sheets home with you and they were not immediately laundered, you need to be on the lookout for signs of infestation. In addition to the information available on the Pestcontrolcanada pages, you might check out the publication at Click here for more recommendations.
Birch Leafminer/in Ask an Expert /by Pest Control Canada
How do find a supplier of parasitic wasps for birchleaf miner control? From Mississauga, Ontario
The Birch leafminer query – Of the two species of parasitic wasps (Lathrolestes nigricollis and Grypocentrus albipes) introduced for control of the birch leafminer, only L. nigricollis has become widely established. At the level of individual release sites, L. nigricollis has lowered pest density from 50 to <5% of first generation leaves being mined. (Click here.) These wasps were introduced into parts of Quebec and Newfoundland in the 1960s and 1970s and parts of Alberta in the 1990s; Click here for full details. I do not believe that these wasps can be provided to individual homeowners.
Information on Tremidor Insecticide/in Ask an Expert /by Pest Control Canada
What is the reasoning behind a consumer, like myself, not being able to by or ship to Canada Termidor insecticide? Please let me know this because I can’t find an explanation. I’m assuming Canada’s pest control would have a reasonable explanation for something like this.
I have been unable to determine if Termador (Fipronil) is registered in Canada. I did find the following at Click here and at here
Bats in Sakatchewan/in Ask an Expert /by Pest Control Canada
When will big and little brown bats in my region, central-northern sakatchewan/manitoba give birth?
Both big and little brown bats give birth in late spring- early summer (usually May-July).
Velvet Mites in New Brunswick/in Ask an Expert /by Pest Control Canada
From Dunlop, New Brunswick – Is it normal to have velvet mites in New Brunswick?
These mites (family Trombidiidae) are widely distributed in Canada, including New Brunswick.
Locating Insect entry/in Ask an Expert /by Pest Control Canada
From Noelville: Is there anyway to find out where insects are getting into the house. Every year we are infested with house flies, ladybugs and mosquitoes. They have to be getting in somewhere. Can a Pest Control company find out how they are getting in so we can can fix it?
Short of hermetically sealing one’s home, it is nearly impossible to keep all uninvited ‘guests’ from dropping in for a visit. You can minimize their intrusions by ensuring that all doors and windows fit tightly and if opened for ventilation, have tight-fitting screens. Any gaps between their frames and the house structure should be filled, as well as any cracks in the foundation. If any pipes, vents (such as from a clothes dryer), etc. penetrate a wall, any gaps around those should be filled with caulking or expandable foam.
Ant Problem/in Ask an Expert /by Pest Control Canada
From Surrey; I had ants coming into my suite and I used the borax recipe online, put some cotton swabs along their trail. In a few hours there were hundreds of them soldiering back and forth along the same trail, truly gross! But anyway, within 6-7 hrs they were all gone except for a few lingering around. I cleaned everything up but I still have a few hanging around and I don’t know where they’re coming from and why they haven’t gone home. I put out a few more cotton balls with the borax solution and they’re not attracted to it. I’m killing them one by one but I want to solve the problem and make sure they’re gone for good. Can you tell me why there’s still some hanging around and suggest what I can do? Thank you so much!
The ant problem – I’m assuming that the bait being use is one of the borax/sugar solutions commonly encountered on the internet. Not all ants are attracted to sugar and other sweets, some seek protein sources instead. That being the case, I suggest that a peanut butter/borax mixture be tried as well – Click here for details.
The Bee Problem/in Ask an Expert /by Pest Control Canada
From Sturgeon County Alberta: So, I have a big concrete step that is starting to separate and now have cracks and Bees under there. I am sure it’s a nest/hive. I can’t see it, but I know there is an issue. We have children with allergies to bees. What should I do? I was thinking of filling the cracks with a spray foam, not sure if this will work? Any ideas?
The bee problem – The expanding foam should work if all crevices/holes that allow access to the space under the slab are filled. However, I really would like to see an image or two of the bees in question, if that would be at all possible. Please Click here to find out how to send in your photos.