Orthoclad Stream Midge vs Thick-headed Fly
Side-by-side species comparison
| Attribute | Orthoclad Stream Midge | Thick-headed Fly |
|---|---|---|
| Scientific Name | Orthocladius oblidens | Physocephala rufipes |
| Order | Diptera | Diptera |
| Family | Chironomidae | Conopidae |
| Size | 3-5 mm | 8-14 mm |
| Habitat | Rivers & Streams | Underground |
| Diet | Detritivores | Parasitoids |
| Regions | Europe, North America | Europe |
| Conservation | Least Concern | Least Concern |
Orthoclad Stream Midge
A small non-biting midge typical of cold running water habitats. Larvae build silk tubes on stone surfaces in stream riffles.
Did You Know?
Orthocladiinae midges are often the most species-rich insect group in pristine mountain streams.
Thick-headed Fly
A wasp-mimicking fly that parasitizes bumblebees by injecting eggs into them mid-flight.
Did You Know?
Infected bumblebees bury themselves in soil where the fly larva pupates.