Alfalfa Weevil Parasitoid vs Giant Ichneumon Wasp

Side-by-side species comparison

Attribute Alfalfa Weevil Parasitoid Giant Ichneumon Wasp
Scientific Name Bathyplectes curculionis Dolichomitus imperator
Order Hymenoptera Hymenoptera
Family Ichneumonidae Ichneumonidae
Size 2-4 mm 20-40 mm body, 70 mm ovipositor
Habitat Farmland Forests
Diet Parasitoids Parasitoids
Regions Europe, North America Europe, Asia
Conservation Least Concern Least Concern

Alfalfa Weevil Parasitoid

A small parasitoid wasp that attacks alfalfa weevil larvae in North America. It was introduced from Europe as a classical biological control agent.

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Did You Know?

This wasp reduced alfalfa weevil populations by over 75% in some areas after its introduction.

Giant Ichneumon Wasp

A parasitoid wasp with an ovipositor longer than its body used to drill into wood.

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Did You Know?

It detects beetle larvae vibrations through several centimeters of solid wood.