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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » "Parasitica" - Parasitoid Wasps » Cynipoidea » Gall Wasps (Cynipidae) » Oak Gall Wasps (Cynipini) » Antron » Spined Turbaned Gall Wasp (Antron douglasii)
Photo#755246
Cynips douglasii? - Antron douglasii
Copyright © 2013 Byrain

Cynips douglasii? - Antron douglasii
Davis, Yolo County, California, USA
March 25, 2013
Is this the bisexual generation of Cynips douglasii? Found on Quercus lobata, close to where this C. douglasii gall was found.


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Cynips douglasii? - Antron douglasii Cynips douglasii? - Antron douglasii Cynips douglasii? - Antron douglasii
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Contributed by Byrain on 28 March, 2013 - 10:02pm
Last updated 29 April, 2013 - 12:30am

Moved
Moved from Gall Wasps.
… Joyce Gross, 29 April, 2013 - 12:30am login or register to post comments

yes
Good call! I asked Ron about this one too. He agrees it's probably the spring generation of Cynips douglasii.

One thing you can do to be more sure that it's a spring gall (and not, say, a just-starting-to-develop summer/fall gall), is to cut it open and see what's inside. Sometimes you might have to cut a few of them open to get a clear idea of what's going on, because sometimes the gall inducer has been killed by one thing or another before you find the gall. If you find a nearly fully developed larva, or a pupa, in March or April, then it would be a spring gall. If the larva is so small you can hardly see it, it may be a newly-developing summer gall.

I've seen galls like this in late April in Kern County that had cynipid pupae in them. Somehow I've not seen them closer to the Bay Area though.
… Joyce Gross, 29 April, 2013 - 12:30am login or register to post comments

Moved
Moved from Unidentified Galls.
… Charley Eiseman, 24 April, 2013 - 7:31am login or register to post comments

Moved
Moved from ID Request.
… John F. Carr, 15 April, 2013 - 7:43pm login or register to post comments

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