Thistle Gall Wasp vs Long-horned Bee
Side-by-side species comparison
| Attribute | Thistle Gall Wasp | Long-horned Bee |
|---|---|---|
| Scientific Name | Isocolus scabiosae | Eucera longicornis |
| Order | Hymenoptera | Hymenoptera |
| Family | Cynipidae | Apidae |
| Size | 1.5-2.5 mm | 13-16 mm |
| Habitat | Meadows | Grasslands |
| Diet | Gall Makers | Nectar Feeders |
| Regions | Europe, Western Asia | Europe |
| Conservation | Least Concern | Near Threatened |
Thistle Gall Wasp
A minute gall-inducing wasp that forms swellings on knapweed flower heads. It has been studied as a potential biocontrol agent for invasive knapweeds.
Did You Know?
A single flower head can contain dozens of tiny gall chambers, each housing one larva.
Long-horned Bee
Males are unmistakable with their extraordinarily long antennae, nearly as long as the body. It nests in the ground in warm, sunny grasslands.
Did You Know?
The male's enormously long antennae are thought to help detect female pheromones at greater distances.