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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » True Bugs, Cicadas, Hoppers, Aphids and Allies (Hemiptera) » Plant-parasitic Hemipterans (Sternorrhyncha) » Aphidoidea » Aphids (Aphididae) » Woolly Aphids and Gall-making Aphids (Eriosomatinae) » Pemphigini » Pemphigus » Pemphigus obesinymphae
Photo#306846
Poplar Petiole Gall - Pemphigus obesinymphae
Copyright © 2009 Elliotte Rusty Harold

Poplar Petiole Gall - Pemphigus obesinymphae
San Joaquin Wildlife Sanctuary, Orange County, California, USA
July 19, 2009
On cottonwood tree. Possibly caused by Pemphigus Populitransversus.

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Poplar Petiole Gall - Pemphigus obesinymphae Inside a Poplar Petiole Gall - Pemphigus obesinymphae Inside a Poplar Petiole Gall - Pemphigus obesinymphae Inside a Poplar Petiole Gall - Pemphigus obesinymphae
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Contributed by Elliotte Rusty Harold on 19 July, 2009 - 5:37pm
Last updated 21 February, 2022 - 9:34am

Moved
Moved from Pemphigus populicaulis.
… Adam Kranz, 21 February, 2022 - 9:34am login or register to post comments

Pemphigus populicaulis
P. populitransversus galls are in the middle of the petiole rather than at the base of the leaf blade.
… Charley Eiseman, 19 July, 2009 - 5:53pm login or register to post comments

 
Petiole galls
Thanks Charley!
… Peter Bryant, 8 May, 2016 - 2:34pm login or register to post comments

 
More info
There may be other possibilities... see my comment here.
… Charley Eiseman, 8 May, 2016 - 2:38pm login or register to post comments

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