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Information about the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, 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

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

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Species Toxomerus marginatus

Toxomerus marginatus ? - Toxomerus marginatus - female Toxomerus marginatus - female Toxomerus marginatus? - Toxomerus marginatus - female Milesiini? - Toxomerus marginatus - male Shortage of black on my Toxomerus - Toxomerus marginatus - male Syrphid Fly - Toxomerus marginatus - male Toxomerus - Toxomerus marginatus - male - female Hoverflies - Toxomerus marginatus - male - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Aschiza")
Family Syrphidae (Syrphid Flies)
Subfamily Syrphinae
Tribe Toxomerini
Genus Toxomerus
Species marginatus (Toxomerus marginatus)
Explanation of Names
Toxomerus marginatus (Say 1823)
5-6 mm
larva shown in(1), fig. 33
across Canada to C. America(2)
Larvae prey on aphids, thrips, small caterpillars
Life Cycle

When the pupa is exposed to heat, the adults look very pale and orange, if they develop under cold conditions, they turn much darker, sometimes nearly completely black. (Comment by Martin Hauser)
very common; larvae prey on many plant pests
Males have holoptic eyes