Subject: Found a bunch of these together
Location: Pittsburgh, PA
November 6, 2015 6:30 pm
We found these bugs crawling on the floor of our son’s room. Many of them were dead, but there were plenty of live ones, too. They were mostly located in about a 2 square foot area.
You are being troubled by Variegated Carpet Beetle Larvae, Anthrenus verbasci. According to BugGuide, they feed on a: “wide variety of materials of animal origin (wool, fur, skins…); stored food materials and products (biscuits, cakes, seeds, wheat, maize, oats, rice, cayenne pepper, cacao, and dried cheese); … RemarksThe most abundant species in buildings; arguably, world’s most important pest of insect collections. Adults from indoor populations have a negative attraction to light, but near the end of their oviposition period they become attracted to light. Adults from outdoor populations show attraction to light. Adults are active fliers and often fly high above the ground. They enter houses through open windows, around eaves, soffits, and attic vents, and often lay eggs in the dead insects collecting in light fixtures.” The large quantity of individuals in a confined location indicates there is a plentiful food supply. Perhaps more vacuuming will help.