Large Square-headed Wasp vs Pacific Cuckoo Wasp
Side-by-side species comparison
| Attribute | Large Square-headed Wasp | Pacific Cuckoo Wasp |
|---|---|---|
| Scientific Name | Ectemnius cephalotes | Chrysis pellucidula |
| Order | Hymenoptera | Hymenoptera |
| Family | Crabronidae | Chrysididae |
| Size | 12-18 mm | 6-10 mm |
| Habitat | Woodlands | Heathland |
| Diet | Wood Feeders | Nectar Feeders |
| Regions | Europe | Western North 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.
Did You Know?
Nests in old beetle holes in dead wood, stocking each cell with paralyzed flies for its developing larvae.
Pacific Cuckoo Wasp
A brightly metallic cuckoo wasp with green-blue head and thorax and a coppery red abdomen. It parasitizes solitary mason bees and wasps in the western US.
Did You Know?
It times its nest infiltration perfectly, sneaking in while the host wasp is away collecting provisions.