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

Upcoming Events

See Moth submissions from National Moth Week 2023

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

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Species Microchrysa flaviventris

UID FLY - Microchrysa flaviventris - male Soldier fly - Microchrysa flaviventris - female Soldier fly? - Microchrysa flaviventris - female Big Red Eyes - Microchrysa flaviventris - male Soldier Fly - Microchrysa? - Microchrysa flaviventris Soldier Fly - Microchrysa? - Microchrysa flaviventris Microchrysa flaviventris? - Microchrysa flaviventris - female Pennsylvania Fly for ID - Microchrysa flaviventris - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Infraorder Stratiomyomorpha
Family Stratiomyidae (Soldier flies)
Subfamily Sarginae
Genus Microchrysa
Species flaviventris (Microchrysa flaviventris)
Explanation of Names
Microchrysa flaviventris (Wiedemann 1824)
Abdomen yellow in males, metallic green in females (and in both sexes of other US congeners). The wing cell d is half open (closed in flavicornis). (Based on Martin Hauser's comments)
accidentally introduced to the US (VA), possibly from China or Japan; native to the Oriental region (widespread), also found in Madagascar (may be introduced there, too)(1)
Decaying plant material
first record in our area: VA 2007(1)
Works Cited
1.Microchrysa flaviventris (Wiedemann), a new immigrant soldier fly in the United States (Diptera: Stratiomyidae)
Woodley N.E. 2009. Proceedings of the Entomological Society of Washington 111: 527-529.