Thousands of pest photos submitted for identification.

Male eastern dobsonfly

6933.       This was swimming in our pool. No idea what it is. Paris, ON. Canada

Number 6933. This is a male eastern dobsonfly, Corydalus cornutus (Megaloptera: Corydalidae), it would have been drowning, not swimming. Dobsonfly larvae (hellgrammites) are aquatic, but the adults are strictly aerial. The long, sickle-like mandibles of males are harmless, but those of the females (as well as hellgrammites) are very stout and can draw blood. Click here for more detailed information.

Comb-footed/cobweb spider

6932.      Toronto, Ontario. Canada

Number 6932. This is a comb-footed/cobweb spider in the family Theridiidae, possibly a triangulate cobweb spider, Steatoda triangulosa. They are harmless to humans, and may eat more dangerous spiders, Click here for more detailed information.

Elm sawfly

6931.    Pilot Butte, Saskatchewan. Canada

Number 6931. This is an elm sawfly, Cimbex Americana (Hymenoptera: Cimbicidae).  Click here for more detailed information.

Cuckoo wasp

6930.      Do you know what this is? The closet I could find online was an Emerald Ash Boarer except it doesn’t have a green shell just translucent brown wings. Sunderland, Ontario. Canada

Number 6930. This is a cuckoo wasp (Hymenoptera: Chrysididae). These are parasitic on (primarily ground-dwelling) solitary bee and wasp species; Click here for additional information.

May beetles

6929.       It was too large to be a bed bug. It was approximately 1.5 cm and had a very large abdomen. Vancouver, BC. Canada

Number 6929. This is a beetle in the family Scarabaeidae of the type known as May beetles or June bugs. They are good (albeit clumsy) fliers that are attracted to lights at night and often accidentally get indoors. They will do no harm there. Click here for some suggestions.

Broad-nosed/short-snouted weevil

6928.       In Calgary, AB, It seems every year in June when the weather is warm and rainy, I keep finding this little black beetle crawling up walls or coming out from under baseboards in my bathroom, basement and kitchen/near the back door. The ones in the basement are like this little guy in the picture but I also find bigger light brown ones.
The black ones are slightly smaller than a ladybug. What is it, why do they keep coming back year after year and how do I eliminate them??? Calgary, AB. Canada

Number 6928. This is a broad-nosed/short-snouted weevil (Coleoptera: Curculionidae; subfamily Entiminae). These weevils often enter buildings in search of shelter, but do no harm there. You really cannot eliminate them short of hermetically sealing your house. Click here for an example.

Click beetle

6927.      Manassas, Virginia United States

Number 6927. This is a click beetle (Coleoptera: Elateridae), a harmless accidental intruder. Click here for more detailed information.

Rove beetle

6926.        There a been a number of these small less than 5 mm flying bugs around our 4th floor apartment that last few evenings. We find them on the couch or flying around the living room. Waterloo, Ontario. Canada

Number 6926. This is a rove beetle (Coleoptera: Staphylinidae), they are general predators on other small arthropods. Some species can secrete a noxious fluid that can cause eye/skin irritation. Click here for some examples.

Flat-backed millipede

6925.      Hi i know I do not live in Canada but I was hoping that you could tell me what kind of bug this is. I have now seen two of them and where do they come from? NEW YORK, NY. United States

Number 6925. This is a flat-backed millipede, Diplopoda: Polydesmida; they are very common outdoors in moist, shady habitats. The vast majority of these are harmless scavengers on decomposing organic matter. One species, the so-called garden millipede, can damage very tender plants. Click here for an image

Wasp-mimicking mantisfly

6924.        Lanark, Ontario. Canada

Number 6924. Great find! This is a wasp-mimicking mantisfly, Climaciella brunnea (Neuroptera: Mantispidae); Click here for images and more information.

Long-horned wood-boring beetle

6923.      Do you know what this insect is? Was on side of house, just over 2 inches long, brown colour. Is it harmful to house or trees? Midland, ON. Canada

Number 6923. This is a long-horned wood-boring beetle (Coleoptera; Cerambycidae); it looks like a brown prionid, Orthosoma brunneum. It will not damage your house or trees, Click here for more detailed information.

Beetle

6922.        Hello, So over the past three weeks I have found 4 of this bugs. 3 of them were on the upstairs bathroom floor. One of them was in the bathtub right by the drain. From what I can see they are dead. They just appear overnight. I found the one in the picture this morning. The one in the tub was two days ago. There is no window in that bathroom. There is a bathroom fan that could be a point of entry? Not sure. Attached are the pictures from this morning. Thank you, Susan.

Number 6922. This is a beetle in the family Scarabaeidae of the type known as May beetles or June bugs. They are good (albeit clumsy) fliers that are attracted to lights at night and often accidentally get indoors. They will do no harm there. Click here for some suggestions.

Moths

6921.         Hi, we put Cedar Mulch in our yard a week ago and now we are finding these moths on exterior walls around windows and hundreds of them inside the house. Saskatoon, Saskatchewan. Canada

Number 6921. These are moths in the family Noctuidae of a type whose larvae often are called cutworms. Those can be quite destructive in a garden but the moths themselves are harmless. Click here for an example.

Sawfly

6920.        Hi wondering what type of insect this is? Cobble Hill, BC. Canada

Number 6920. This is a sawfly in the family Cimbicidae; most likely an elm sawfly, Cimbex americana. Click here for more detailed information.

Moth

6919.         Even the dogs that will normally kill bugs stayed away from this one. Doesn’t seem to be able to fly, just crawls around slowly. Cudworth, SK. Canada

Number 6919. This is a moth in the family Erebidae, subfamily Arctiinae, whose wings failed to expand properly after it emerged from its cocoon. As it is a female, it may still be able to mate and lay eggs if a male finds her in time. Click here for an example.

Amphipod

6918.       Clinged to our bathing suits when we were swimming in Wabamun lake (freshwater). Haven’t seen anything like this in 20 years. Seba Beach, Alberta. Canada

Number 6918. This is an amphipod, a harmless crustacean. Nearly all are aquatic or marine, feeding mainly on decomposing organic matter. They sometimes are called scuds or side-swimmers. Click here for more detailed information.

Male snipe fly

6917.      Smaller than a housefly bigger than a fruitfly. Probably between 1/4”& 3/8”

Number 6917. This is a male snipe fly (Diptera: Rhagionidae) in the genus Chrysopilus; most likely C. quadratus – Click here for an image and Click here for an image of a female.

Deer fly

6916.       We thought it was a deer fly but it stung me twice causing hospitalization. Stings, not bites confirmed by ER. Sturgeon County, Alberta. Canada

Number 6916. This is indeed a deer fly (Diptera: Tabanidae; Chrysops sp.), Click here for an example. They bite and do NOT sting; your E.R. is sadly mistaken.

Metallic wood-boring beetle

6915.      Copper gold colored beetle like insect, still alive, wondering whether it came out of packages I opened that were from China, Japan and New Mexico. Cornwall, ON. Canada

Number 6915. This is a metallic wood-boring beetle (Coleoptera: Buprestidae); it looks like a Dicerca sp. – Click here for an example. These are native species.

Assassin bug

6914.    Found inside house. Toronto, On. Canada

Number 6914. This is an assassin bug known as a masked hunter (Reduvius personatus; Hemiptera/Heteroptera: Reduviidae), a cosmopolitan species often found indoors and reputed to have a very painful ‘bite’- Click here for more detailed information.

Springtail

6913.      My first name is Jacqueline and this photo was taken in my home in North Carolina. It’s a very small bug – as small as one of the tiny black ants. It’s found here in the bathroom sink, in a bathroom next to the bedroom. It was taken today, Jun 25 and it’s been hot and humid outside. When I tried to get close to take the picture, it jumped (or flew?). It seems like it jumped. I think it was attracted to the sink because the sink is wet. This isn’t a baby cockroach right? Thank you! Chapel Hill, NC. United States

Number 6913. This is a springtail, a primitive arthropod in the order Collembola, closely related to true insects. These basically are harmless scavengers on bits of decomposing organic matter, but they can become nuisance pests when they occur indoors in large numbers. They are quite susceptible to desiccation, so keeping indoor humidity levels as low as practical is the best control. Click here for an example

Long-legged fly

6912.        Kitchener, Ontario. Canada

Number 6912. This is a long-legged fly, Diptera: Dolichopodidae, likely in the genus Condylostylus, Click here for an example. These are predators on other small arthropods.

Scarab beetle

6911.         Hi, for few days now, we noticed these bugs come to our balcony around 9:30pm. And we do not know how to get rid of that and we do not know what can attract us? Do you know what is it? They always come around 9:30 pm and fly for about 30 mns , then leave , the same thing every day. Thanks for your help. We do not their names since it is our first time to see these bugs. We never experienced that last summer .. Surrey, British Columbia. Canada

Number 6911. This is a scarab beetle (Coleoptera: Scarabaeidae) in the subfamily Melolonthinae of the type commonly called May beetles or June bugs. They are attracted to lights at night, so you should try replacing the bulbs in your outside lights with ones that give off a less attractive frequency. Click here for some suggestions.

Jumping spider

6910.       Please let me know is that new species or not… Satara, Wai. India

Number 6910. This is a male Chrysilla volupe, a jumping spider (family Salticidae) that was thought to be extinct until spotted in 2018. Click here for all the details.

Nymph of a stink bug

6909.      Hi. Moved in April one. A few days later the German Cockroaches arrived. I’ve had two “treatments” from the exterminator. Cleaned everything …everything. All food in commercial grade food containers, vacuuming twice a day, bleaching floors. I don’t know if they are completely eliminated yet. I was just on my way to go out the back door and saw this little stinker! Looked online and sent pics to Management company. Any idea what this is? Should I maybe just move lol. With Thanks. Winnipeg, Manitoba. Canada

Number 6909. No need to worry about this one – it is a nymph of a stink bug (Hemiptera/Heteroptera: Pentatomidae) in the genus Apoecilus. These are predators on other small insects and are harmless to humans. Click here for an example.

Robber fly

6908.       What kind of wasp/hornet is it? Delta, British Columbia. Canada

Number 6908. This is a robber fly (Diptera: Asilidae) in the subfamily Laphriinae. Robber flies are ambush predators on many other insects, and several species in the subfamily Laphriinae are excellent bee mimics. Click here for an example

Elm sawfly

6907.      Please identify? Lethbridge, Alberta. Canada

Number 6907. This is an elm sawfly, Cimbex America (Hymenoptera: Cimbicidae). They lack a sting and are harmless to humans; their larvae often are mistaken for caterpillars. Click here for additional information.

Alderfly

6906.    I have a lot of theses flies that lay egg masses (I assume they are eggs) as seen to the left of the bug. The fly is about one inch long. They usually lay the eggs on corners and only on the boathouse, not the cottage. I have to scrub the masses to get them off. They come every year. I’m located in the Kawartha Lakes region of Ontario. COBOURG, ONTARIO. Canada

Number 6906. This looks like an alderfly (Neuroptera: Sialidae). They usually lay their eggs in situations where their newly hatched larvae can drop into water. Their larvae are predators on other small aquatic life forms, and are an important part of the freshwater food web. Click here for additional information.

Asian multicoloured lady beetle

6905.      Found near a pond in my yard. Duncan, Bc. Canada

Number 6905. This is a larva of an Asian multicoloured lady beetle, Harmonia axyridis (Coleoptera: Coccinellidae);  Click here for additional information.

Assassin bug

6904.       I hope this photo is clear enough, I found this in my bathtub and killed it before getting more pictures. Is this a sign of an infestation? East York, ON. Canada

Number 6904. This is an assassin bug known as a masked hunter (Reduvius personatus; Hemiptera/Heteroptera: Reduviidae), a cosmopolitan species often found indoors and reputed to have a very painful ‘bite’. If you find more, that would indicate that you may have an infestation of other insects that these are preying upon. Click here for more detailed information.

Sowbug

6903.      Have found a couple of these in my house, what are they ? Thanks Airdrie, Alberta. Canada

Number 6903. This is a sowbug, a terrestrial crustacean in the order Isopoda; the vast majority of these are harmless scavengers on decomposing organic matter. They breathe through gills that must be kept moist, so keeping your environs as dry as possible will discourage them from staying. Click here for more information.

Jumping spider

6902.       Saw this on opening our umbrella. No idea what it might be. Cornwall, Ontario. Canada

Number 6902. This is a jumping spider in the family Salticidae, another friendly pest controller. They do not spin a capture web, but track and hunt down their prey. Click here for images and much more detailed information.

Larva of a lady beetle

6901.      I have seen these “bugs” before but they are especially numerous on our hostas this year. Can you help me to identify them and possibly control them? Highland Cres, Ont. Canada

Number 6901. You don’t want to control these, as they are providing free pest control for you. This is a larva of a lady beetle (Coleoptera: Coccinellidae), they are voracious predators on small soft-bodied insects such as aphids.  Click here for more detailed information