Anthrenus fuscus

Classification

Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Superfamily: Bostrichoidea
Family: Dermestidae
Tribe: Anthrenini
Genus: Anthrenus
Species: fuscus

Pronunciation

How to pronounce Anthrenus fuscus: /ænˈθriːnəs ˈfʌskəs/

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Images

Summary

Anthrenus fuscus is a species of carpet beetle belonging to the family Dermestidae, known for its bright scales and minor pest status, primarily affecting organic materials in storage.

Physical Characteristics

2-3.4 mm long, bright scales on dorsal surface condensed along side margins of pronotum and forming three narrow fasciae on elytra. Sides of pronotum slightly sinuate in anterior half. Eyes not notched in front, antennae 6-segmented with the last segment club-like, as long (female) or longer (male) than the rest of antenna.

Identification Tips

Look for the characteristic bright scales and the unique shape of the pronotum and antennae.

Habitat

Found in flour mills, warehouses, and houses. Prefers peridomestic habitats such as outbuildings, sheds, barns, and stone walls; often associated with spider webs.

Distribution

Native to Eurasia, introduced in eastern North America (Nova Scotia, Quebec, and scattered records in the US).

Diet

Larvae feed on insect debris found in spider webs or in corners where webs are built; may also feed in bird and wasp nests.

Life Cycle

Involves a larval stage that typically feeds on debris, suitable habitats include locations with spider webs or decomposing organic material.

Ecosystem Role

Acts as a decomposer by feeding on organic materials such as insect remains.

Economic Impact

Can damage woolens, carpets, insect collections, and books; recognized as a minor pest in North America.

Similar Taxa

Misconceptions

Commonly confused with other species of similar appearance, such as Anthrenus museorum.