Yellow Swarming Fly vs Trimmer's Mining Bee
Side-by-side species comparison
| Attribute | Yellow Swarming Fly | Trimmer's Mining Bee |
|---|---|---|
| Scientific Name | Thaumatomyia notata | Andrena trimmerana |
| Order | Diptera | Hymenoptera |
| Family | Chloropidae | Andrenidae |
| Size | 2-2.5 mm | 10-12 mm |
| Habitat | Grasslands | Grasslands |
| Diet | Predators | Nectar Feeders |
| Regions | Europe | Europe |
| Conservation | Least Concern | Least Concern |
Yellow Swarming Fly
A tiny yellow fly famous for forming enormous hibernation aggregations in buildings, sometimes numbering millions. Larvae are predatory on root aphids in grassland.
Did You Know?
Can form hibernation clusters of millions in attic spaces, with individual aggregations weighing several kilograms.
Trimmer's Mining Bee
A widespread spring mining bee with brownish-grey fur and a distinctive tooth on the hind femur. It forages on a wide range of early-blooming flowers.
Did You Know?
The small femoral tooth on its hind leg distinguishes it from nearly all other European Andrena species.