ColeopteraDermestidae – Carpet Beetles

Black Carpet Beetle

Attagenus unicolor

This record describes Attagenus unicolor (species). Recorded family: Dermestidae. Recorded order: Coleoptera.

Identification and Appearance

Black Carpet Beetle - Attagenus unicolor
Contributed by tom murray; Additional contributions by Mike Quinn , Boris Bueche , v belov

Telling apart the subspecies: in A. u. unicolor , the pronotum and elytra are almost entirely covered with dark setae; in A. u. japonicus , the sides and base of the pronotum and the base of the elytra have distinctive golden brown setae. One of the most common household pests in NA (the damage is done by the larvae only); attacks museum specimens, esp. dried insects Has been reported to damage books; pest in Japan's silk industry. Larvae often bore into food containers, making food vulnerable to infestation by other pests. When disturbed, larvae curl and remain motionless for a long period.

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera (Beetles)
Suborder
Polyphaga
Superfamily
Bostrichoidea
Family
Dermestidae (Carpet Beetles)
Subfamily
Attageninae
Tribe
Attagenini
Genus
Attagenus (Black Carpet Beetles)

Imported taxonomy record. Source availability varies; see the source references and editorial policy below.

Habitat and Range

Habitat

nests of birds, wasps/bees, rodents; may infest homes and facilities such as grain elevators, flour mills, feed mills, and museums

Geographic Range

adventive and widespread in NA , native to the Old World (origin unknown; non-native in Europe), now nearly cosmopolitan

Diet and Behavior

Diet: Larvae feed on animal materials (silk cloth, wool, feathers, hair, fur, fishmeal, etc.) and cereal products; adults feed on pollen of various plants outdoors ( 6 )

Additional species information

Species notes from the sources

Etymology: Attagenus unicolor (Brahm 1791)

About Primitive Winged Insects: the wider group

Order-level background for Coleoptera, the group containing Attagenus unicolor. Species-specific details appear above.

Group overview

Coleoptera is the largest order of insects with over 400,000 described species, representing ~25% of all known animal species and ~40% of all insects. In the U.S. alone, nearly 30,000 beetle species have been identified.

Ecological role of the group

Beetles are prominent decomposers, especially in forests, breaking down dead wood and recycling nutrients. As predators, they reduce populations of pest insects. Many species are also important pollinators of flowering plants.

Economic and practical significance of the group

Beetles have major economic significance: leaf beetles (Chrysomelidae) and weevils (Curculionoidea) are among the most destructive agricultural pests globally, costing billions annually, while predatory species like ladybugs provide natural pest control.

Recorded sources for this group: Britannica, Smithsonian, NCSU Entomology. Imported estimates may describe particular regions or reporting periods.

Explore Coleoptera families and species →

Photos of Black Carpet Beetle (5)

Black Carpet Beetle - photo 1
Contributed by tom murray; Additional contributions by Mike Quinn , Boris Bueche , v belov
Black Carpet Beetle - photo 2
Contributed by tom murray; Additional contributions by Mike Quinn , Boris Bueche , v belov
Black Carpet Beetle - photo 3
Contributed by tom murray; Additional contributions by Mike Quinn , Boris Bueche , v belov
Black Carpet Beetle - photo 4
Contributed by tom murray; Additional contributions by Mike Quinn , Boris Bueche , v belov
Black Carpet Beetle - photo 5
Contributed by tom murray; Additional contributions by Mike Quinn , Boris Bueche , v belov

Photo credits: Contributed by tom murray; Additional contributions by Mike Quinn , Boris Bueche , v belov

Frequently Asked Questions About Black Carpet Beetle

What is Black Carpet Beetle?

Black Carpet Beetle (Attagenus unicolor) is a species in the family Dermestidae, within the order Coleoptera.

How big is Black Carpet Beetle?

2.5–5.5 mm

How do you identify Black Carpet Beetle?

Telling apart the subspecies: in A. u. unicolor , the pronotum and elytra are almost entirely covered with dark setae; in A. u. japonicus , the sides and base of the pronotum and the base of the elytra have distinctive golden brown setae.

Where is Black Carpet Beetle found?
FeatureDetails
Habitatnests of birds, wasps/bees, rodents; may infest homes and facilities such as grain elevators, flour mills, feed mills, and museums
Rangeadventive and widespread in NA , native to the Old World (origin unknown; non-native in Europe), now nearly cosmopolitan
What does Black Carpet Beetle eat?

The diet of the Black Carpet Beetle includes Larvae feed on animal materials (silk cloth, wool, feathers, hair, fur, fishmeal, etc.) and cereal products; adults feed on pollen of various plants outdoors ( 6 ).

How we use and review source data. Source count does not imply independent verification.

Photo credits: Contributed by tom murray; Additional contributions by Mike Quinn , Boris Bueche , v belov. Contributors retain copyright over their individual contributions.