Lutescent Brown Lacewing vs Hawaiian Picture-wing Fly (Heteroneura)

Side-by-side species comparison

Attribute Lutescent Brown Lacewing Hawaiian Picture-wing Fly (Heteroneura)
Scientific Name Hemerobius lutescens Drosophila heteroneura
Order Neuroptera Diptera
Family Hemerobiidae Drosophilidae
Size 8-12 mm wingspan 5-7 mm
Habitat Forests Forests
Diet Predators Wood Feeders
Regions Europe, Northern Asia Oceania (Hawaii - Big Island)
Conservation Least Concern Endangered

Lutescent Brown Lacewing

A yellowish-brown lacewing found in European coniferous forests. Strongly associated with spruce and pine trees.

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Did You Know?

It is one of the most important natural predators of spruce aphids in European forestry.

Hawaiian Picture-wing Fly (Heteroneura)

A remarkable Hawaiian picture-wing fly famous for its hammer-shaped head, found only on Hawaii Island. Males use their broad, flattened heads in head-butting contests for mating rights. It breeds in decaying Clermontia bark.

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Did You Know?

Males have uniquely hammer-shaped heads that they use as battering rams, headbutting rival males in combat over territory and mates.