Large Square-headed Wasp vs Tarantula Hawk

Side-by-side species comparison

Attribute Large Square-headed Wasp Tarantula Hawk
Scientific Name Ectemnius cephalotes Pepsis grossa
Order Hymenoptera Hymenoptera
Family Crabronidae Pompilidae
Size 12-18 mm 40-65 mm
Habitat Woodlands Heathland
Diet Wood Feeders Predators
Regions Europe North America, South America
Conservation Least Concern Least Concern

Large Square-headed Wasp

A large solitary wasp that nests in dead wood and provisions its nest with captured flies. Has a distinctively large, square-shaped head. Common in gardens and woodland.

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Did You Know?

Nests in old beetle holes in dead wood, stocking each cell with paralyzed flies for its developing larvae.

Tarantula Hawk

A giant wasp that hunts tarantulas. The female paralyzes a tarantula with her sting, drags it to a burrow, and lays an egg on it — the larva eats the spider alive.

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Did You Know?

The tarantula hawk has the second most painful sting of any insect — but the pain lasts only about 5 minutes. Scientists recommend just lying down and screaming.