Orange Caterpillar Parasite vs Long-winged Barklouse

Side-by-side species comparison

Attribute Orange Caterpillar Parasite Long-winged Barklouse
Scientific Name Netelia ephippitarsus Ectopsocus briggsi
Order Hymenoptera Psocoptera
Family Ichneumonidae Ectopsocidae
Size 12-16 mm 2-3 mm
Habitat Woodlands Woodlands
Diet Parasitoids Herbivores
Regions Australia, Southeast Asia Europe, North America, Australasia
Conservation Least Concern Least Concern

Orange Caterpillar Parasite

A slender, amber-orange ichneumon wasp found across Australasia. It attaches eggs to caterpillars and the larva feeds externally on its host.

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Did You Know?

Female wasps can deliver a mild sting if handled, which is unusual among ichneumon wasps.

Long-winged Barklouse

A widespread bark louse found on tree trunks and dead leaves across Europe and introduced to other continents. It has long narrow wings.

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Did You Know?

It has successfully colonized multiple continents through accidental human transport.