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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) » Lasiopteridi » Dasineurini » Rabdophaga
Photo#357587
Dry willow roses - Rabdophaga
Copyright © 2009 Maria Fremlin

Dry willow roses - Rabdophaga
Toronto, Toronto island, Ontario, Canada
October 11, 2009
Size: ~1.5 cm
I have no idea of the Salix species, however its long leaves are just discernible, hope that this will help with the host ID. They were perhaps the dominant species in a kind of swampy area [almost impenetrable] and the shrubs [?] were like very tall weeds really.
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Contributed by Maria Fremlin on 10 December, 2009 - 12:07pm
Last updated 16 December, 2009 - 9:15am

Could it be
Rabdophaga rosaria? Scroll down.
… Beatriz Moisset, 10 March, 2010 - 5:21pm login or register to post comments

 
Looks similar, but...
that's a Finnish website. That species isn't listed in Gagne (1); as far as I can tell it doesn't occur in North America.
… Charley Eiseman, 10 March, 2010 - 8:08pm login or register to post comments

Moved
Moved from ID Request.
… Maria Fremlin, 16 December, 2009 - 9:15am login or register to post comments

Rabdophaga sp.
Maybe R. salicisbrassicoides, if the outer leaves of the gall are "conspicuously longer than wide," as opposed to "almost as wide as long." (1)
… Charley Eiseman, 10 December, 2009 - 1:46pm login or register to post comments

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