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

Species Chrysotoxum perplexum


A revision of the genera of the Syrphini (Diptera: Syrphidae)
By Vockeroth J.R.
Mem. Ent. Soc. Canada 62: 1-176, 1969

An overview of the genus Ocyptamus Macquart, 1834, with a revision of the Ocyptamus tristis species group (PhD thesis)
By Gonçalves Miranda G.F.
Guelph, Ontario. iii+617 pp., 2011

The flower flies of the subfamily Syrphinae of Canada, Alaska, and Greenland, Diptera: Syrphidae
By Vockeroth J.R.
The insects and arachnids of Canada, Pt. 18. Ottawa: Agriculture Canada. 456 pp., 1992

Fabulous flower flies for famous fly fanatics (Diptera: Syrphidae). A tribute to the dipterists of the CNC
By Thompson F.C.
Can. Entomol. 144: 1-16, 2012

Colour guide to hoverfly larvae (Diptera, Syrphidae) in Britain and Europe
By Rotheray G.E.
Dipterists Digest No. 9. 155 pp., 1993

Contribution to a monograph of the American Syrphidae from north of Mexico
By Curran C.H.
Kans. U. Sci. Bull. 15: 7-216, 1925

The Syrphidae of Ohio
By Metcalf C.L.
Ohio State U. 122 pp., 1913
Full text

priceless illustrations showing many larvae

A comparative analysis of the evolution of imperfect mimicry
By Penney H.D., Hassall C., Skevington J.H., Abbott K.R., Sherratt T.N.
Nature 483: 461–464, 2012