Adults have fine, yellowish-brown setae covering their bodies. They somewhat resemble spiders.
Development. Eggs are laid over a period of four weeks, and females lay 100 to 1,000 eggs. They hatch in about nine days. Larval development requires about 60 days.
Habits. Larvae pupate near the surface of infested material or crawl away to pupate. Adults are most active at night. Infested materials include nuts, beans, cacao, cayenne pepper, chocolate, corn, dried fruit, dried fish, and poultry food.