Pine False Webworm vs Japanese Antlion

Side-by-side species comparison

Attribute Pine False Webworm Japanese Antlion
Scientific Name Acantholyda erythrocephala Hagenomyia micans
Order Hymenoptera Neuroptera
Family Pamphiliidae Myrmeleontidae
Size 10-15 mm (adult) 60-80 mm wingspan
Habitat Farmland Rivers & Streams
Diet Omnivores Omnivores
Regions Europe, North America Japan, Korea, Eastern China
Conservation Not Evaluated Least Concern

Pine False Webworm

An invasive European sawfly that defoliates pines in North America. Unlike typical sawflies, larvae are solitary and spin silk tubes on branches.

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Did You Know?

Larvae feed inside silken tubes spun among the needles, unlike the gregarious feeding of most pine sawflies.

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.'