What's That Bug? does not endorse extermination

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.
Thank you,
Signature: Tom

Carpet Beetle Larvae

Carpet Beetle Larvae

Dear Tom,
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.

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What's That Bug? does not endorse extermination
Location: Pittsburgh, Pennsylvaia

4 Responses to Carpet Beetle Larvae Infestation

  1. Knowing what these are now I’m glad I’ve only seen a couple in our house before.

  2. Becky says:

    I have these pesky things in my kitchen. I have tried bug spray but can not figure out where they care coming from. I have removed suspected plant but they are still here. Help.

  3. Becky says:

    I have these pesky Carpet Beetle larvae living in my kitchen. I have removed everything including a plant that might of been suspect. I don’t know where they care coming from. There is no carpet in the kitchen. We have no pets. How can I kill these pests?

    • Amanda says:

      Becky, did you ever figure out where they were coming from? I am struggling with this issue too! I find them mostly in the kitchen and can’t find out where they are coming from. I am cleaning like mad but then the next day I will find another one. I am sooo done with this intrusion and want them gone. They are disgusting and I don’t know what to do… 🙁 Thanks

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