Alfalfa Weevil Parasitoid vs Keeled Treehopper

Side-by-side species comparison

Attribute Alfalfa Weevil Parasitoid Keeled Treehopper
Scientific Name Bathyplectes curculionis Entylia carinata
Order Hymenoptera Hemiptera
Family Ichneumonidae Membracidae
Size 2-4 mm 4-6 mm
Habitat Farmland Farmland
Diet Parasitoids Sap Feeders
Regions Europe, North America North America, Central America, South America
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.

Keeled Treehopper

A small, flattened treehopper with a pronounced dorsal keel running along its pronotum. It is widespread across the Americas on many host plants.

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Did You Know?

Its flat, leaf-like profile makes it look like a tiny bump or bud on a plant stem.