Brown Hairstreak vs Japanese Antlion

Side-by-side species comparison

Attribute Brown Hairstreak Japanese Antlion
Scientific Name Thecla betulae Hagenomyia micans
Order Lepidoptera Neuroptera
Family Lycaenidae Myrmeleontidae
Size 36-40 mm wingspan 60-80 mm wingspan
Habitat Hedgerows Rivers & Streams
Diet Omnivores Omnivores
Regions Europe, temperate Asia Japan, Korea, Eastern China
Conservation Least Concern (declining in parts of range) Least Concern

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.

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Did You Know?

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

Japanese Antlion

A large East Asian antlion with glossy wings and a robust body. A familiar summer insect across Japan attracted to artificial lights.

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Did You Know?

In Japanese folklore, antlion larvae are called 'arijigoku' meaning 'ant hell.'