Hawaiian Picture-wing Fly (Heteroneura) vs Notch-horned Cleg
Side-by-side species comparison
| Attribute | Hawaiian Picture-wing Fly (Heteroneura) | Notch-horned Cleg |
|---|---|---|
| Scientific Name | Drosophila heteroneura | Haematopota pluvialis |
| Order | Diptera | Diptera |
| Family | Drosophilidae | Tabanidae |
| Size | 5-7 mm | 8-12 mm |
| Habitat | Forests | Hedgerows |
| Diet | Wood Feeders | Blood Feeders |
| Regions | Oceania (Hawaii - Big Island) | Europe, Western Asia |
| Conservation | Endangered | Least Concern |
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.
Notch-horned Cleg
A grey horse fly with mottled wings that approaches silently before biting. It is one of the most common biting flies in Europe.
Did You Know?
Unlike most horse flies, the cleg approaches completely silently, landing and biting before being noticed.