Tundra Ichneumon Wasp vs Icelandic Water Beetle

Side-by-side species comparison

Attribute Tundra Ichneumon Wasp Icelandic Water Beetle
Scientific Name Ichneumon gracilicornis Agabus bipustulatus
Order Hymenoptera Coleoptera
Family Ichneumonidae Dytiscidae
Size 10-16 mm 9-12 mm
Habitat Tundra & Arctic Tundra & Arctic
Diet Parasitoids Predators
Regions Scandinavia, Finland, northern Russia, subarctic Canada Iceland, Scandinavia, northern Russia, subarctic Europe, Arctic Canada
Conservation Least Concern Least Concern

Tundra Ichneumon Wasp

A medium-sized ichneumon wasp with a black body and conspicuous yellow-banded abdomen. It has a long, slender ovipositor for parasitizing moth pupae. Adults are active during the Arctic summer's long daylight hours.

💡

Did You Know?

Ichneumon wasps in the Arctic play a crucial role in controlling outbreaks of defoliating moths in birch forests.

Icelandic Water Beetle

A medium-sized, oval, dark brown diving beetle found in cold ponds and lakes. It carries a silvery air bubble under its elytra for breathing underwater. Adults are strong fliers and can colonize isolated Arctic ponds.

💡

Did You Know?

This beetle is one of the most widespread diving beetles in the Arctic and can fly long distances to colonize new ponds created by permafrost thaw.