Blandford Fly vs Window Gnat
Side-by-side species comparison
| Attribute | Blandford Fly | Window Gnat |
|---|---|---|
| Scientific Name | Simulium posticatum | Sylvicola fenestralis |
| Order | Diptera | Diptera |
| Family | Simuliidae | Anisopodidae |
| Size | 2-3 mm | 5-7 mm |
| Habitat | Rivers & Streams | Underground |
| Diet | Blood Feeders | Sap Feeders |
| Regions | Europe | Europe |
| Conservation | Least Concern | Least Concern |
Blandford Fly
A notorious black fly that causes severe allergic reactions with its bite around the Blandford area of Dorset. Females need blood meals for egg development. Larvae develop in clean rivers.
Did You Know?
Named after Blandford Forum in Dorset where outbreaks of painful bites affect thousands of people each summer.
Window Gnat
A small, delicate fly with dark-spotted wings often found resting on windows and walls. Larvae develop in fermenting organic matter and tree sap runs.
Did You Know?
Despite being one of the most commonly encountered flies on windows throughout Europe, this species remains largely unstudied and overlooked by entomologists.