Eastern Hanging Scorpionfly vs Australian Scorpionfly

Side-by-side species comparison

Attribute Eastern Hanging Scorpionfly Australian Scorpionfly
Scientific Name Bittacus strigosus Harpobittacus australis
Order Mecoptera Mecoptera
Family Bittacidae Bittacidae
Size 20-28 mm wingspan 18-22 mm
Habitat Meadows Woodlands
Diet Herbivores Herbivores
Regions Eastern North America Oceania
Conservation Least Concern Least Concern

Eastern Hanging Scorpionfly

A North American hangingfly that hunts small insects while dangling from vegetation. Females assess male quality based on the size of prey offered as nuptial gifts.

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Did You Know?

Females will only mate with males that offer prey items above a certain size, rejecting males with inadequate gifts.

Australian Scorpionfly

An Australian hangingfly that suspends itself from vegetation and catches prey with its raptorial hind legs. Males present captured prey to females as nuptial gifts.

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Did You Know?

Female Australian scorpionflies assess nuptial gifts by tasting the prey — if it is nutritionally poor, they reject the male and fly away.