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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Nematocera" (Non-Brachycera) » Gnats, Gall Midges, and March Flies (Bibionomorpha) » Fungus Gnats and Gall Midges (Sciaroidea) » Gall Midges and Wood Midges (Cecidomyiidae) » Gall Midges (Cecidomyiinae) » Cecidomyiidi » Cecidomyiini » Contarinia
Photo#1307303
Ceanothus leaf mid-vein pouch galls - Contarinia
Copyright © 2016 MJ Hatfield

Ceanothus leaf mid-vein pouch galls - Contarinia
Sheeder Prairie, Guthrie County, Iowa, USA
June 27, 2016
June 27, 2016: collected a couple of leaf mid-vein pouch galls on Ceanothus spp. Galls appeared empty
September 30, 2016: collected similar leaf mid-vein pouch galls on Ceanothus herbaceus in Dinesen Prairie, Shelby County, IA. They were also empty.
C. Eiseman says: "Seems like a reasonable match for Gagné's Contarinia sp., figure 372" and yes it does. Under Ceanothus Gagné says: "Simple vein fold...Swellings are visible from beneath the leaf and are usually covered with fuzz; only a slit is evident abve. Full-grown larvae escape through the slit in July."

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Ceanothus leaf mid-vein pouch galls - Contarinia leaf mid-vein pouch gallsX - Contarinia
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Contributed by MJ Hatfield on 23 October, 2016 - 8:11am
Last updated 9 February, 2017 - 12:09pm

Moved
Moved from Unidentified Galls.
… MJ Hatfield, 28 October, 2016 - 10:33am login or register to post comments

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