Chalk Hill Blue vs Hanging Thief Robber Fly
Side-by-side species comparison
| Attribute | Chalk Hill Blue | Hanging Thief Robber Fly |
|---|---|---|
| Scientific Name | Polyommatus coridon | Diogmites platypterus |
| Order | Lepidoptera | Diptera |
| Family | Lycaenidae | Asilidae |
| Size | Wingspan 33-40mm | 15-22 mm |
| Habitat | Grasslands | Farmland |
| Diet | Herbivores | Herbivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
Chalk Hill Blue
A large blue butterfly with silvery-blue males and brown females. Restricted to chalk and limestone grasslands.
Did You Know?
Males have an ethereal silvery-blue tone unique among European butterflies, visible in large numbers on chalk hills.
Hanging Thief Robber Fly
A slender, elongate robber fly that hangs from vegetation by its front legs while feeding. It has long dangling legs and a distinctive hunting posture unlike most other asilids.
Did You Know?
It earns its name by dangling from a single leg while consuming prey, freeing the other legs for handling food.