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Upcoming Events

Discussion of 2018 gathering

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

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Species Scaeva pyrastri

Underside view of female - Scaeva pyrastri - female Scaeva pyrastri - female Early Spring Syrphid - Scaeva pyrastri Syrphid - Scaeva pyrastri - female 6938 - Scaeva pyrastri Eupeodes Fly? - Scaeva pyrastri Syrphid - Scaeva pyrastri - male Scaeva pyrastri - male
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 Syrphini
Genus Scaeva
Species pyrastri (Scaeva pyrastri)
Explanation of Names
Scaeva pyrastri (Linnaeus 1758)
11.1-15.7 mm(1)
Eyes with dense hair; upper 2/3 of male eye "with extensive area of almost uniformly enlarged facets"(1); abdomen dark, with six white, curved stripes. Larvae are light green with a white dorsal longitudinal stripe.

Usually with abdominal bands, but sometimes also in dark forms:

Holarctic; in NA, western (AK-CA to AB-NM)(2)
Life Cycle
1. Larvae. 2. Puparium
may consume over 500 aphids during its larval stages(3)
Internet References