Disc-Headed Turtle Ant vs Alfalfa Weevil Parasitoid

Side-by-side species comparison

Attribute Disc-Headed Turtle Ant Alfalfa Weevil Parasitoid
Scientific Name Cephalotes varians Bathyplectes curculionis
Order Hymenoptera Hymenoptera
Family Formicidae Ichneumonidae
Size 3-6 mm 2-4 mm
Habitat Forests Farmland
Diet Gall Makers Parasitoids
Regions Southeastern United States (Florida), Caribbean, Mexico Europe, North America
Conservation Least Concern Least Concern

Disc-Headed Turtle Ant

A small arboreal turtle ant in which soldiers have perfectly circular, flat heads that serve as living nest entrance plugs. Workers are dark brown with lateral body flanges. They nest in abandoned beetle galleries in living trees.

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Did You Know?

Their soldier heads evolved to exactly match the diameter of beetle bore holes, creating a perfect manhole-cover defense system.

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.