Winter Ant vs Ichneumon Wasp

Side-by-side species comparison

Attribute Winter Ant Ichneumon Wasp
Scientific Name Prenolepis imparis Megarhyssa macrurus
Order Hymenoptera Hymenoptera
Family Formicidae Ichneumonidae
Size 3-4 mm 25-50 mm body plus 100+ mm ovipositor
Habitat Woodlands Woodlands
Diet Nectar Feeders Parasitoids
Regions North America North America
Conservation Least Concern Least Concern

Winter Ant

A small brown ant unique for being most active during cold months when other ants are dormant. Replete workers store liquid food in distended abdomens for the colony.

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Did You Know?

They hold their nuptial flights in late winter or early spring, sometimes walking over snow to mate.

Ichneumon Wasp

A large parasitoid wasp with an extremely long, thread-like ovipositor that can exceed the length of its body. Females drill through solid wood to reach their host larvae deep inside.

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Did You Know?

The female can somehow detect horntail larvae vibrations through several centimeters of solid wood and then drill her flexible ovipositor to reach them with remarkable accuracy.