Cranberry Blue vs Progressive Bee Fly
Side-by-side species comparison
| Attribute | Cranberry Blue | Progressive Bee Fly |
|---|---|---|
| Scientific Name | Plebejus optilete | Exoprosopa fasciata |
| Order | Lepidoptera | Diptera |
| Family | Lycaenidae | Bombyliidae |
| Size | 22-28 mm wingspan | 10-16 mm |
| Habitat | Underground | Deserts & Drylands |
| Diet | Nectar Feeders | Nectar Feeders |
| Regions | Scandinavia, Finland, northern Russia, Siberia, subarctic Japan | Africa, Asia |
| Conservation | Least Concern | Least Concern |
Cranberry Blue
A small butterfly with violet-blue upperwings in males and dark brown in females. The hindwing underside has a diagnostic metallic silver spot. It frequents boggy habitats where its larval foodplant cranberry grows.
Did You Know?
The caterpillar is tended by ants which protect it from parasitoids in exchange for sweet honeydew secretions.
Progressive Bee Fly
A large bee fly with boldly banded wings in dark brown and clear patterns. It is a fast and agile flyer, frequently hovering at flowers in arid landscapes.
Did You Know?
Its boldly patterned wings may serve as camouflage when resting on dappled ground in arid habitats.