Large Square-headed Wasp vs Large-legged Chalcid
Side-by-side species comparison
| Attribute | Large Square-headed Wasp | Large-legged Chalcid |
|---|---|---|
| Scientific Name | Ectemnius cephalotes | Chalcis myrifex |
| Order | Hymenoptera | Hymenoptera |
| Family | Crabronidae | Chalcididae |
| Size | 12-18 mm | 4-7 mm |
| Habitat | Woodlands | Heathland |
| Diet | Wood Feeders | Parasitoids |
| Regions | Europe | North America |
| Conservation | Least Concern | Not Evaluated |
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.
Did You Know?
Nests in old beetle holes in dead wood, stocking each cell with paralyzed flies for its developing larvae.
Large-legged Chalcid
A parasitoid wasp with conspicuously thickened hind femora used to brace itself while ovipositing. It attacks the pupae of tachinid flies and various Lepidoptera.
Did You Know?
Despite looking like it could jump powerfully, those thick hind legs are mainly used for gripping, not leaping.