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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » "Parasitica" - Parasitoid Wasps » Cynipoidea » Rose Gall Wasps (Diplolepididae) » Rose Gall Wasps (Diplolepis) » Spiny Leaf Gall Wasp (Diplolepis polita)
Photo#517067
Wasp Galls - Diplolepis polita
Copyright © 2011 Timothy Boomer

Wasp Galls - Diplolepis polita
Davis, Yolo County, California, USA
May 5, 2011
Size: 8-10mm diameter
I'm pretty sure this is in the genus Diplolepis, but none of the images here at bugguide look quite the same (the spines are much shorter on the specimens I found). Out of the options here, I'm leaning toward D. polita, but I'd appreciate any confirmations or info. The galls were on a rose leaf if that helps. Thanks, Tim
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Contributed by Timothy Boomer on 17 May, 2011 - 3:48pm
Last updated 21 May, 2011 - 12:16am

Moved
Moved from Diplolepis.
… Joyce Gross, 21 May, 2011 - 12:16am login or register to post comments

Diplolepis polita
D. polita is a leaf gall (dorsal surface of leaves, like yours), whereas D. bicolor is a stem gall.
… Joyce Gross, 21 May, 2011 - 12:15am login or register to post comments

 
Thanks
for your help Joyce! It's good to know that simple tip to distinguish the two species.
… Timothy Boomer, 30 May, 2011 - 12:44pm login or register to post comments

Moved
Moved from ID Request.
… Martin Hauser, 18 May, 2011 - 11:24am login or register to post comments

According to Russo's Plant Ga
According to Russo's Plant Galls of California, it might be D. bicolor, which is very similar to polita... awesome gall
… Martin Hauser, 18 May, 2011 - 11:22am login or register to post comments

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