Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Interactive image map to choose major taxa Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27


Species Chrysopilus ornatus - Ornate Snipe Fly

 
 
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The North American Chrysopilus (Rhagionidae-Diptera)
By Hardy, D.E.
American Midland Naturalist 44(1): 143-167, 1949
First page here.

Key to the genus in North America, with descriptions and notes of new and little known species.

Phylogeny and classification of Rhagionidae, with implications for Tabanomorpha (Diptera: Brachycera)
By Kerr P.H.
Zootaxa 2592: 1–133, 2010

Revision of the genera of the Rhagionidae of the world (Diptera: Brachycera)
By Kerr P.H.
U. Maryland, 2004
Dissertation (Full text); i'll add any major papers published since based on this study.

Western Diptera: Descriptions of new genera and species of Diptera from the region west of the Mississippi and especially from C
By Osten Sacken, C. R. Baron von
Bulletin of the United States Geological and Geographical Survey of the Territories 3: 189-354., 1877
I used this for original descriptions of Asilidae.

Full title:
Western Diptera: Descriptions of new genera and species of Diptera from the region west of the Mississippi and especially from California.

Found here.

Pollinating flies (Diptera): A major contribution to plant diversity and agricultural production
By Ssymank A., Kearns C.A., Pape T., Thompson F.C.
Biodiversity 9: 86‒89, 2011

New Diptera from North and Central America
By Curran C.H.
Am. Mus. novitates 415: 1-16, 1930

DIPTERA: an Introduction to Flies
By Nikita Vikhrev
Phyton publisher, Moscow, 2020
Available on NHBS (UK): https://www.nhbs.com/diptera-an-introduction-to-flies-book
Diptera: An Introduction to Flies is easy to read and gives a general introduction to this order of amazing insects.
The book was first published in Russian in 2019. the current English version was substantially extended and revised by the author and editors.
160 pages, 250 colour photos, hardback

Monographs of the Diptera of North America
By Hermann Loew
Smithsonian Institution, Volume 6, 1862
View Monograph here

 
 
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