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.