Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Chrysops

BG729 C7342 - Chrysops callidus - female deer fly - Chrysops lateralis - female Chrysops male face 1b - Chrysops - male Deer Fly - Chrysops - female tabanid 1 - Chrysops deer fly - Chrysops univittatus - female Tabanidae - Chrysops - female Chrysops vittatus - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Infraorder Tabanomorpha
Family Tabanidae (Horse and Deer Flies)
Subfamily Chrysopsinae (Deer Flies)
Tribe Chrysopsini
Genus Chrysops
Explanation of Names
Chrysops Meigen 1803
'golden eye'
Numbers
>100 spp. in 2 subgenera in our area (all but C. (Liochrysops) hyalinus are in the nominate subgenus)(1)
Identification
These views should make it possible to identify every Deer Fly in our area:
view showing dorsal head, thorax, abdomen; also wing pattern
lateral view showing, antennae, thorax, leg colour
face view showing frontal callus (black oval between eyes), frontoclypeus (yellow shiny triangle below eyes), palps (below frontoclypeus); also legs
frontal/lateral view of face. Only 1 view of face, either this view or that shown in 3 is required
clear view of wing, also shows clear view of abdomen
Print References
For Canada east of the Rockies(2)
Philip C.E. (1955) North American Tabanidae. IX. Notes on and keys to the genus Chrysops Meigen. Rev. Brasil Ent. 3:47-128.
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.Tabanidae of Canada, east of the Rocky Mountains 1: a photographic key to the species of Chrysopsinae and Pangoniinae
Thomas A.W., Marshall S.A. 2009. Canadian Journal of Arthropod Identification No. 8.