St Mark's Fly vs Sugarcane Longhorn
Side-by-side species comparison
| Attribute | St Mark's Fly | Sugarcane Longhorn |
|---|---|---|
| Scientific Name | Bibio johannis | Dorysthenes granulosus |
| Order | Diptera | Coleoptera |
| Family | Bibionidae | Cerambycidae |
| Size | 6-10mm | 30-50 mm |
| Habitat | Underground | Farmland |
| Diet | Root Feeders | Root Feeders |
| Regions | Europe | India, Thailand, Philippines, Indonesia |
| Conservation | Least Concern | Least Concern |
St Mark's Fly
A small black fly that swarms in May. Males have large heads with huge eyes that almost meet on top.
Did You Know?
Often confused with the larger Bibio marci but emerges slightly later and has entirely dark legs.
Sugarcane Longhorn
A large reddish-brown prionine beetle with granulated elytra, found in South and Southeast Asia. It is an important pest of sugarcane roots. Adults are powerful nocturnal fliers that emerge in large numbers at the onset of the monsoon.
Did You Know?
In parts of India, farmers use pheromone traps to catch thousands of adults before they can lay eggs in sugarcane fields.