Netelia Ichneumon Wasp vs Ant-decapitating Fly

Side-by-side species comparison

Attribute Netelia Ichneumon Wasp Ant-decapitating Fly
Scientific Name Netelia melanura Pseudacteon tricuspis
Order Hymenoptera Diptera
Family Ichneumonidae Phoridae
Size 14-18 mm 1-2 mm
Habitat Underground Farmland
Diet Parasitoids Parasitoids
Regions Europe South America, introduced to North America for biocontrol
Conservation Least Concern Least Concern

Netelia Ichneumon Wasp

A large orange ichneumon wasp attracted to light at night. Parasitizes noctuid moth caterpillars. Has a distinctive compressed, blade-like abdomen.

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Did You Know?

Regularly enters houses at night, attracted by lights, and can give a mild sting if handled.

Ant-decapitating Fly

A minute parasitoid fly that targets fire ants by injecting eggs into their bodies. The developing larva migrates to the ant's head, eventually causing it to fall off.

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Did You Know?

The larva releases enzymes that dissolve the ant's head contents, and the head eventually falls off to serve as a pupation chamber.