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Keith Bayless
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Containing group: Sarginae


Microchrysa larvae are generally found in leaf litter and the upper layers of soil (Rozkošný 1998). Most Microchrysa species are native to sub-Saharan Africa. 2 species are in Australia, 4 in the Neotropics, 5 in the Oriental region. M. flaviventris is found in Asia, Madagascar, and Australia. M. polita and M. flavicornis are found in North America and Europe, M. cyaneiventris is from Europe, and M. ussuriana from Russia (Woodley 2001).


Microchrysa can be distinguished from other Nearctic Sarginae except Cephalochrysa by the bare eye, the distal projection on the calypter, and the equilateral ocellar triangle near posterior margin of head. It can be distinguished from Cephalochrysa by the small d cell, M1and M2 fading before the wing margin, and cell cup as long as the basal cells (James 1981).


James, M.T. 1981. 36. Stratiomyidae. Manual Nearct. Dipt. 1: 497-511.

Rozkošný, R. 1998. Chapter 24. Family Stratiomyidae. Manual Palaearct. Dipt. 2: 387-411.

Woodley, N. E. 2001. A World Catalog of the Stratiomyidae (Insecta: Diptera). Myia 11: 1-473. Backhuys Publishers, Leiden.

Information on the Internet

Title Illustrations
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Scientific Name Microchrysa polita
Location Seattle, King County, Washington, USA
Specimen Condition Live Specimen
Identified By Tony Irwin
Life Cycle Stage Adult
Size 6 mm
Source Metallic Green Fly - Microchrysa species
Source Collection Flickr
Image Use creative commons This media file is licensed under the Creative Commons Attribution-NonCommercial License - Version 2.0.
Copyright © Cheryl Moorehead
About This Page

Keith Bayless
North Carolina State University, Raleigh, North Carolina, USA

Correspondence regarding this page should be directed to Keith Bayless at

All Rights Reserved.

Citing this page:

Bayless, Keith. 2008. Microchrysa. Version 28 September 2008 (under construction). http://tolweb.org/Microchrysa/108771/2008.09.28 in The Tree of Life Web Project, http://tolweb.org/

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