Scarlet Robber Fly vs Hawaiian Picture-wing Fly (Heteroneura)
Side-by-side species comparison
| Attribute | Scarlet Robber Fly | Hawaiian Picture-wing Fly (Heteroneura) |
|---|---|---|
| Scientific Name | Laphria flava | Drosophila heteroneura |
| Order | Diptera | Diptera |
| Family | Asilidae | Drosophilidae |
| Size | 15-25 mm | 5-7 mm |
| Habitat | Woodlands | Forests |
| Diet | Predators | Wood Feeders |
| Regions | Europe, Northern Asia | Oceania (Hawaii - Big Island) |
| Conservation | Least Concern | Endangered |
Scarlet Robber Fly
A bumblebee-mimicking robber fly covered in dense golden-yellow hair. It preys on insects visiting flowers at woodland edges.
Did You Know?
Its dense yellow pile makes it one of the most convincing bumblebee mimics among robber flies.
Hawaiian Picture-wing Fly (Heteroneura)
A remarkable Hawaiian picture-wing fly famous for its hammer-shaped head, found only on Hawaii Island. Males use their broad, flattened heads in head-butting contests for mating rights. It breeds in decaying Clermontia bark.
Did You Know?
Males have uniquely hammer-shaped heads that they use as battering rams, headbutting rival males in combat over territory and mates.