7477. Not sure what those flies are, I have a few of them in the house ( bathroom, kitchen ). The weather is fairly cold at this time of the year. Could it come from one of my plants? Thank you. Gatineau, QC. Canada
Number 7477. This appears to be a dark-winged fungous gnat (Diptera: Sciaridae). Although usually just nuisance pests, larvae of some species can damage roots and other soft plant tissues of potted plants that are in contact with soil. They need very moist/wet soil in order to thrive, so one of the simplest control measures is simply to let the soil dry out as much as practical between waterings. See Dark-winged fungus gnat control suggestions .