Alfalfa Weevil Parasitoid vs Nocturnal Sweat Bee

Side-by-side species comparison

Attribute Alfalfa Weevil Parasitoid Nocturnal Sweat Bee
Scientific Name Bathyplectes curculionis Megalopta genalis
Order Hymenoptera Hymenoptera
Family Ichneumonidae Halictidae
Size 2-4 mm 10-12 mm
Habitat Farmland Forests
Diet Parasitoids Nectar Feeders
Regions Europe, 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.

Nocturnal Sweat Bee

One of few bees adapted to forage in near-total darkness in tropical forests.

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Did You Know?

Its enlarged ocelli give it visual sensitivity 30 times greater than day-active bees.