These pests enter homes through doors windows and similar entrances.
Carpet beetles in kitchen cabinets.
Carpet beetles are grouped and named according to their feeding habits which are varied carpet beetles black carpet beetles furniture carpet beetles and common carpet beetles.
Adult carpet beetles can live both indoors and out but females prefer to lay eggs where larval food sources are abundant.
Adults are typically 1 8 to 3 16 inch long elongate oval in shape and brownish black with variable patterns of transverse bands of pale yellow to off white hairs on the back.
Some live inside the nests of birds or other animals and can live in walls or chimneys.
I removed the vent cover and felt around inside the duct and pulled out handfuls of debris including lots of pet hair that had accumulated there.
Warehouse and cabinet beetles are a nuisance to insect collectors around the world because they infest boxes of stored dried insects and reduce them to collections of dust and insect parts.
Warehouse beetles trogoderma variable and larger cabinet beetles trogoderma inclusum are two of several household pests that are closely related to carpet beetles coleoptera.
In the debris were some cast skins from carpet beetle larvae but no live house beetles.
They can also be brought in by way of cut plants and flowers.
Carpet beetles can also thrive on lint hair and debris accumulating under baseboards and inside floor vents and ducts.
These nocturnal insects prefer to hide in places such as storage containers crevices of furniture and behind kitchen shelves.