White-Stockinged Black Fly vs Sheep Nose Bot Fly
Side-by-side species comparison
| Attribute | White-Stockinged Black Fly | Sheep Nose Bot Fly |
|---|---|---|
| Scientific Name | Simulium vittatum | Oestrus ovis |
| Order | Diptera | Diptera |
| Family | Simuliidae | Oestridae |
| Size | 2-5 mm | 10-12 mm |
| Habitat | Rivers & Streams | Farmland |
| Diet | Blood Feeders | Parasites |
| Regions | North America | Worldwide |
| Conservation | Least Concern | Least Concern |
White-Stockinged Black Fly
A widespread black fly species complex with distinctive white-banded legs. Larvae colonize almost any flowing water from irrigation ditches to large rivers.
Did You Know?
It is one of the most commonly encountered black fly species in laboratory research.
Sheep Nose Bot Fly
A parasitic fly that shoots live larvae into the nostrils of sheep and goats while in flight. Larvae develop inside the nasal sinuses, causing distress to livestock.
Did You Know?
This fly does not lay eggs — it shoots live first-instar larvae directly into the nostrils of sheep while flying past at speed, a method called larviposition.