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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 » Willow Beaked-Gall Midge (Rabdophaga rigidae)

Photo#481817

Copyright © 2010 tom murray

gall - Rabdophaga rigidae

Ipswich, Essex County, Massachusetts, USA
December 26, 2010
Size: 17mm

There were a few of these galls on a tree I think was a Prunis sp.

Images of this individual: tag all

gall - Rabdophaga rigidae

gall - Rabdophaga rigidae

Willow Beaked-Gall Midge - Rabdophaga rigidae

gall - Rabdophaga rigidae

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Contributed by tom murray on 27 December, 2010 - 8:41pm
Last updated 21 February, 2011 - 8:41am

Moved

Moved from Gall Midges.

From Dr. Gagné:

"I believe the gall is a more rounded specimen than shown in my red book fig. 413. The gall midge photos (good shots!) do not preclude Rabdophaga rigidae. With drawings, and even photos if only one can be used, one is forced to pick a single “typical” gall for the illustration. In the present case, it appears that the gall did not prevent further apical growth."

These two look like the illustration in his book, and are typical of the ones I've seen:

Your midge does resemble the one I reared from one of these galls.

… Charley Eiseman, 21 February, 2011 - 7:46am

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Great work Charley!!!

I still have the galls and the midge. Do you want me to save them?

… tom murray, 21 February, 2011 - 8:36am

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Probably not necessary

Thanks for checking. I'm glad you got some good shots of this species to add to my old ones taken with a Nikon Coolpix point & shoot.

… Charley Eiseman, 21 February, 2011 - 8:45am

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I just checked the UNH database

and it's not listed, so I'll save it for Don.

… tom murray, 21 February, 2011 - 8:48am

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Size

How big is this gall?

… Charley Eiseman, 20 February, 2011 - 10:42pm

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Moved

Moved from Unidentified Galls.

… tom murray, 19 February, 2011 - 2:52pm

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