Swallow Louse Fly vs Common Barklouse
Side-by-side species comparison
| Attribute | Swallow Louse Fly | Common Barklouse |
|---|---|---|
| Scientific Name | Ornithomya avicularia | Cerastipsocus venosus |
| Order | Diptera | Psocoptera |
| Family | Hippoboscidae | Psocidae |
| Size | 5-7 mm | 4.0-6.0 mm |
| Habitat | Woodlands | Woodlands |
| Diet | Blood Feeders | Wood Feeders |
| Regions | Europe, Asia | North America |
| Conservation | Least Concern | Not Evaluated |
Swallow Louse Fly
A flattened, brownish winged louse fly that parasitizes a wide range of bird species. It moves rapidly through feathers using its laterally compressed body and strong tarsal claws.
Did You Know?
It can parasitize over 30 different bird species, making it one of the most host-generalist hippoboscid flies.
Common Barklouse
A large winged barklouse found in herds on tree trunks in eastern North America. It has prominent veined wings and feeds on algae and lichens.
Did You Know?
These barklice form conspicuous herds of up to several hundred individuals that march across tree trunks in unison.