Spider-association
Guides
Anthrenus castaneae
Anthrenus castaneae is a carpet beetle species in the family Dermestidae. First described by Melsheimer in 1844, it is native to North America with records from Canada and the United States. The species was historically placed in the subgenus Florilinus. Larval specimens have been documented in association with spider egg sacs and retreats, representing a distinctive host relationship among carpet beetles.