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

Calendar
Upcoming Events

Interested in a 2022 BugGuide gathering in New Mexico?

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 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.

Previous events


TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Allograpta

Allograpta obliqua - female California Syrphid 1 - Allograpta obliqua Syrphid fly 1025 & 1029 - Allograpta obliqua Common Oblique Syrphid, Allograpta obliqua - Allograpta obliqua small orange hover fly - Allograpta obliqua Allograpta obliqua - male A. obliqua? (on Tanacetum parthenium) - Allograpta obliqua - female Allograpta exotica? - Allograpta exotica
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Aschiza")
Family Syrphidae (Hover Flies)
Subfamily Syrphinae
Tribe Syrphini
Genus Allograpta
Explanation of Names
Allograpta Osten-Sacken 1875
Greek allos (αλλος) 'other, different' + graptos (γραπτος) 'painted, marked'
Numbers
3 spp. in our area(1)
Identification
fourth abdominal tergite with two pale oblique stripes in exotica and obliqua (see Fluke 1942: 24) (completely dark in Fazia micrura); male obliqua has pale crescent-shaped band on third abdominal tergite, whereas in female exotica the band is only slightly curved, and is flattened along its base

illustrates the katepisternum color difference between exotica and obliqua.
shows the yellow markings on tergite 2 (present in obliqua, absent in exotica).
Range
A. exotica NC-OR to Argentina (introduced to HI)
A. obliqua QC-WA south to Argentina (introduced to HI)
A. radiata FL + West Indies (introduced to HI)
Food
larvae prey on aphids, but some exotic spp. are herbivorous
See Also
Print References
Molecular phylogeny (Mengual et al. 2008)
Internet References
http://www.mapress.com/zootaxa/2009/f/zt02214p028.pdf. Zootaxa
Works Cited
1.Key to the genera of nearctic Syrphidae
Miranda G.F.G, Young A.D., Locke M.M., Marshall S.A., Skevington J.H., Thompson F.C. 2013. Can. J. Arthropod Identification 23: 1-351.