Besides flying adults, how can larder beetle eggs or larvae be introduced indoors?

Answer

Introduction via contaminated materials like infested pet food or secondhand wool items.

Infestations can start insidiously when eggs or larvae are brought inside through the purchase of contaminated provisions such as dried fish products, pet food, or secondhand goods containing animal fur or wool.

Besides flying adults, how can larder beetle eggs or larvae be introduced indoors?
foodinsectbeetlepestinfestation