Question Mark Cockroach vs Varied Carpet Beetle

Side-by-side species comparison

Attribute Question Mark Cockroach Varied Carpet Beetle
Scientific Name Therea olegrandjeani Anthrenus verbasci
Order Blattodea Coleoptera
Family Corydiidae Dermestidae
Size 25-30mm 2-3 mm
Habitat Deserts & Drylands Underground
Diet Omnivores Omnivores
Regions Asia Worldwide
Conservation Least Concern Not Evaluated

Question Mark Cockroach

A close relative of the domino cockroach with white markings that form a question-mark-like pattern on its black body. It is a desert species that burrows in sandy soil as a nymph.

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Did You Know?

The white markings on its back form a pattern resembling a question mark, making it instantly recognizable.

Varied Carpet Beetle

A tiny, round beetle with mottled white, brown, and yellow scales on its elytra. It is a worldwide pest of natural fiber collections.

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Did You Know?

Museum curators consider it one of the greatest threats to insect specimen collections.