Which of the following larval characteristics pertains to the black carpet beetle?

The black carpet beetle's larval characteristics are best described by the option that states they are carrot-shaped with long bristles at the tail. This description is accurate because black carpet beetle larvae, commonly referred to as woolly bears, have a distinctive shape that is often wider at one end and tapers towards the other, resembling a carrot. The presence of long bristles at the tail further distinguishes them within the scope of their physical appearance, which aids in identification during pest control and monitoring efforts.

This characteristic is critical for recognizing and differentiating them from other pest larvae that may be encountered, particularly in locations where they cause damage to carpets, fabrics, and stored food products. Understanding these physical traits is essential for effective pest management strategies.