Vegetable Caterpillar vs Netelia Ichneumon Wasp

Side-by-side species comparison

Attribute Vegetable Caterpillar Netelia Ichneumon Wasp
Scientific Name Ophiocordyceps robertsii Netelia melanura
Order Lepidoptera Hymenoptera
Family Hepialidae Ichneumonidae
Size 50-100 mm (caterpillar plus fungal stalk) 14-18 mm
Habitat Underground Underground
Diet Fungus Feeders Parasitoids
Regions Oceania (New Zealand) Europe
Conservation Least Concern Least Concern

Vegetable Caterpillar

The host of this relationship is the caterpillar of the native moth Aenetus virescens, parasitized by the endemic Cordyceps fungus. The fungus invades and mummifies the caterpillar underground, then sends a fruiting body to the surface. It was known to Maori as awhato.

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Did You Know?

Maori prized the vegetable caterpillar as a pigment source, grinding the fungus-caterpillar combination to produce a blue-black tattoo ink.

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.