Arctic Parasitic Wasp vs Peacock Katydid

Side-by-side species comparison

Attribute Arctic Parasitic Wasp Peacock Katydid
Scientific Name Hyposoter horticola Pterochroza ocellata
Order Hymenoptera Orthoptera
Family Ichneumonidae Tettigoniidae
Size 6-10 mm 50-70 mm
Habitat Tundra & Arctic Forests
Diet Herbivores Herbivores
Regions Scandinavia, Finland, northern Russia, subarctic regions of Europe Amazon Basin, Guianas, Peru
Conservation Least Concern Least Concern

Arctic Parasitic Wasp

A slender parasitic wasp with a black body, orange legs, and long antennae. Females search for caterpillar hosts on tundra vegetation. The larva develops inside the host caterpillar, eventually killing it.

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Did You Know?

This wasp has been extensively studied as a model for understanding host-parasitoid population dynamics in changing Arctic ecosystems.

Peacock Katydid

A large katydid that mimics dead leaves at rest but reveals huge eyespots on its hind wings when threatened. The eyespot display startles predators.

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Did You Know?

When disturbed, it flashes vivid eyespots on its hindwings that resemble the stare of a large predator.