Parasitic Wood Wasp vs Legionary Ant

Side-by-side species comparison

Attribute Parasitic Wood Wasp Legionary Ant
Scientific Name Orussus abietinus Neivamyrmex nigrescens
Order Hymenoptera Hymenoptera
Family Orussidae Formicidae
Size 8-14 mm 2-5 mm
Habitat Woodlands Deserts & Drylands
Diet Parasitoids Omnivores
Regions Europe, Western Asia Southwestern United States, Mexico
Conservation Least Concern Least Concern

Parasitic Wood Wasp

A small, dark-bodied wasp-like insect with a flattened head and short antennae inserted below the eyes. It is among the most primitive parasitoid Hymenoptera.

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Did You Know?

Orussidae are considered the evolutionary link between sawflies and parasitoid wasps, making them key to understanding Hymenoptera evolution.

Legionary Ant

The most common army ant species in the United States, conducting nocturnal column raids on other ant nests. Workers are small and reddish-brown with reduced eyes.

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Did You Know?

They are rarely seen because they raid almost exclusively at night and spend most of their time underground.