Large Square-headed Wasp vs Trichiosoma Hawthorn Sawfly

Side-by-side species comparison

Attribute Large Square-headed Wasp Trichiosoma Hawthorn Sawfly
Scientific Name Ectemnius cephalotes Trichiosoma lucorum
Order Hymenoptera Hymenoptera
Family Crabronidae Cimbicidae
Size 12-18 mm 16-23 mm
Habitat Woodlands Parks
Diet Wood Feeders Herbivores
Regions Europe Europe, temperate Asia
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.

Trichiosoma Hawthorn Sawfly

A large, very hairy sawfly with clubbed antennae and a dense covering of golden-brown hairs. It resembles a large bumblebee in flight.

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Did You Know?

The cocoon of this species is remarkably tough and parchment-like, attached to twigs, and can persist for years before the adult finally emerges.