What is the primary food source for the larvae of the black carpet beetle?

The primary food source for the larvae of the black carpet beetle is indeed leather and silk materials. These larvae are known for their ability to feed on organic fibers, particularly those found in textiles such as wool, fur, and silk. They are typically found in areas where these materials are stored or used, which makes them a pest in households and storage facilities.

Leather and silk provide essential nutrients for the growth and development of the larvae, which is why they tend to damage items made from these materials when feeding. While larvae of other pests might target wood, fruits and vegetables, or pollen, the black carpet beetle larvae specifically thrive on keratin and animal-based fibers, making leather and silk their preferred sources of nutrition. This characteristic is crucial for pest control efforts aimed at managing infestations of black carpet beetles in various environments.