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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 » Hackberry Gall Midges (Celticecis) » Hackberry Thorn Gall Midge (Celticecis spiniformis)
Photo#355814
Cone-shaped, grey gall with a
Copyright © 2009 John Schneider

Cone-shaped, grey gall with a "face" on it - Celticecis spiniformis
Houston, Harris County, Texas, USA
November 28, 2009
Size: ~3 mm tall
I think the tree is a hackberry. These structures were on the underside of some of the leaves.

Images of this individual: tag all
Cone-shaped, grey gall with a Gall - Celticecis spiniformis
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Contributed by John Schneider on 1 December, 2009 - 7:26pm
Last updated 11 September, 2013 - 11:42pm

Moved
Moved from Hackberry Gall Midges.
… Charley Eiseman, 11 September, 2013 - 11:42pm login or register to post comments

Moved
Moved from Celticecis unguicula.
… Charley Eiseman, 11 September, 2013 - 6:45pm login or register to post comments

Hackberry
This is indeed a hackberry. In fact, there are six species of hackberry (Celtis) in Texas, most of them separated by subtle differences in leaf shape. The partially toothed margin and cordate (heart-shaped) base of this one suggests Dwarf Hackberry (C. tenuifolia) (ironically the cordate base is not illustrated on this weblink); if so, it would be a small tree.
… John Pearson, 7 January, 2010 - 9:29am login or register to post comments

 
Hackberry
Thanks, John and Charley. It may indeed have been a small tree. Next time I'm there, I'll pay more attention. I was mainly focused on things within my reach, so not looking overhead much :-)
… John Schneider, 7 January, 2010 - 12:32pm login or register to post comments

Moved
Moved from ID Request. Celticecis midge; appears to be an oddly shaped C. unguicula gall.
… Charley Eiseman, 1 December, 2009 - 11:58pm login or register to post comments

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