South American Grain Stem Sawfly vs Large-headed Resin Bee
Side-by-side species comparison
| Attribute | South American Grain Stem Sawfly | Large-headed Resin Bee |
|---|---|---|
| Scientific Name | Cephus fumipennis | Heriades truncorum |
| Order | Hymenoptera | Hymenoptera |
| Family | Cephidae | Megachilidae |
| Size | 7-10 mm | 6-8 mm |
| Habitat | Farmland | Orchards |
| Diet | Seed Feeders | Nectar Feeders |
| Regions | Europe, Central Asia | Europe, Western Asia |
| Conservation | Least Concern | Least Concern |
South American Grain Stem Sawfly
A slender black stem sawfly with smoky wings and yellow abdominal bands. It attacks cereal grain stems in parts of Europe and Asia.
Did You Know?
Like other cephid stem borers, the larva constructs a silken cocoon inside the hollowed-out stem base where it overwinters before pupating in spring.
Large-headed Resin Bee
A tiny black resin bee with a disproportionately large head that nests in beetle holes and hollow stems. It uses plant resin to construct partitions between brood cells.
Did You Know?
Its oversized head allows it to perfectly plug the entrance of its narrow nest cavity like a living door.