Paper Wasp vs Long-tailed Giant Ichneumon

Side-by-side species comparison

Attribute Paper Wasp Long-tailed Giant Ichneumon
Scientific Name Polistes dominula Megarhyssa atrata
Order Hymenoptera Hymenoptera
Family Vespidae Ichneumonidae
Size 15-20 mm 30-50 mm body, ovipositor up to 130 mm
Habitat Underground Woodlands
Diet Fruit Feeders Wood Feeders
Regions Europe, worldwide (introduced) North America
Conservation Least Concern Least Concern

Paper Wasp

Builds open-comb nests from chewed wood fiber mixed with saliva, creating paper-like material. Has a complex social hierarchy with facial pattern recognition between individuals.

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Did You Know?

Paper wasps can recognize individual faces — they use facial patterns to identify nestmates and establish dominance hierarchies, one of the few insects known to have face recognition.

Long-tailed Giant Ichneumon

A large dark-bodied ichneumonid wasp found in eastern North America. Females bore through bark to parasitize pigeon tremex horntail larvae.

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Did You Know?

Multiple females often congregate on the same dead tree, drilling simultaneously for hosts.