Spruce Budworm Parasite vs Grey Longhorn

Side-by-side species comparison

Attribute Spruce Budworm Parasite Grey Longhorn
Scientific Name Meteorus trachynotus Acanthocinus griseus
Order Hymenoptera Coleoptera
Family Braconidae Cerambycidae
Size 3-5 mm 8-16 mm
Habitat Forests Forests
Diet Parasitoids Wood Feeders
Regions North America Europe, Caucasus, Western Siberia
Conservation Least Concern Least Concern

Spruce Budworm Parasite

A small brown braconid wasp that is a key natural enemy of the spruce budworm in North American boreal forests. It suspends its cocoon on a silk thread from the host.

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Did You Know?

Its cocoon dangles from a silk thread like a tiny pendulum, which may protect it from ground-dwelling predators.

Grey Longhorn

A small, cryptically colored longhorn beetle with grey pubescence and faint darker markings on the elytra. It inhabits conifer forests across Eurasia, breeding in dead branches still attached to trees. Adults are nocturnal.

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Did You Know?

Males guard females during oviposition by standing on top of them, preventing rival males from mating.