Dermestid Beetle vs Brown Hairstreak

Side-by-side species comparison

Attribute Dermestid Beetle Brown Hairstreak
Scientific Name Dermestes maculatus Thecla betulae
Order Coleoptera Lepidoptera
Family Dermestidae Lycaenidae
Size 6-10mm 36-40 mm wingspan
Habitat Farmland Hedgerows
Diet Omnivores Omnivores
Regions Worldwide Europe, temperate Asia
Conservation Least Concern Least Concern (declining in parts of range)

Dermestid Beetle

A small dark beetle with white undersides used by museums and taxidermists to clean skeletons. Larvae are covered in bristly hairs.

💡

Did You Know?

Natural history museums keep colonies of these beetles specifically to clean flesh from bones for skeletal displays.

Brown Hairstreak

A secretive butterfly with rich brown wings and an orange flash on the female's forewings. Adults spend most of their time in tree canopies, rarely descending to ground level.

💡

Did You Know?

Eggs are laid singly on blackthorn and are easier to find in winter than the elusive adults are in summer.