Chrysops ater
Macquart, 1850
Dark Deer Fly
Chrysops ater is a of deer fly in the Tabanidae, commonly known as the Dark Deer Fly. It is distributed across northern North America including Canada and the United States. Like other deer flies, females are blood-feeders while males feed on nectar. The species is one of approximately 250 described species in the Chrysops.

Pronunciation
How to pronounce Chrysops ater: //ˈkrɪsɒps ˈɑːtər//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Images
Distribution
Canada and the United States. Specific records include Vermont and other northern U.S. states.
Human Relevance
Female deer flies are blood-feeders and may bite humans, causing painful welts. They are potential of agents including and loiasis, though specific disease associations for C. ater have not been documented.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
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