Large Square-headed Wasp vs Alfalfa Weevil Parasitoid
Side-by-side species comparison
| Attribute | Large Square-headed Wasp | Alfalfa Weevil Parasitoid |
|---|---|---|
| Scientific Name | Ectemnius cephalotes | Bathyplectes curculionis |
| Order | Hymenoptera | Hymenoptera |
| Family | Crabronidae | Ichneumonidae |
| Size | 12-18 mm | 2-4 mm |
| Habitat | Woodlands | Farmland |
| Diet | Wood Feeders | Parasitoids |
| Regions | Europe | Europe, 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.
Alfalfa Weevil Parasitoid
A small parasitoid wasp that attacks alfalfa weevil larvae in North America. It was introduced from Europe as a classical biological control agent.
Did You Know?
This wasp reduced alfalfa weevil populations by over 75% in some areas after its introduction.