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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#376892
Spiny Gall on Scrub Oak, probably Quercus acutidens - Antron douglasii
Copyright © 2010 Peter Bryant

Spiny Gall on Scrub Oak, probably Quercus acutidens - Antron douglasii
Laguna Laurel, Laguna Beach, Orange County, California, USA
March 7, 2010
Size: ~6mm diam

Images of this individual: tag all
Gall Wasp from Spiny Gall on Scrub Oak, probably Quercus acutidens - Antron douglasii Spiny Gall on Scrub Oak, probably Quercus acutidens - Antron douglasii
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Contributed by Peter Bryant on 14 March, 2010 - 12:49am
Last updated 15 March, 2010 - 1:05pm

Moved
Moved from Gall Wasps.
… Joyce Gross, 15 March, 2010 - 1:51am login or register to post comments

Antron douglasii
The gall is created by Antron douglasii. The galls are bright pink when they're fresh but turn darker and brownish or purplish when they are older.

The host can't be Q. agrifolia (coast live oak, which is a black oak) because this gall doesn't occur on black oaks. The host has to be a white oak, probably Q. berberidifolia.

Are you finding these galls on the same tree, or same kinds of oaks, as these galls?? There are only a few possible species of oaks in the area where you're finding these, so it would be good to be able to tell them apart -- it makes the gall identifications much easier! When that fails, the galls often help narrow down the possibilities but without a good plant ID the gall ID is sometimes not possible.

The adult is definitely a cynipid this time, not a parasitoid, and is probably a male.
… Joyce Gross, 15 March, 2010 - 1:50am login or register to post comments

Moved
Moved from ID Request.
… Peter Bryant, 14 March, 2010 - 1:23am login or register to post comments

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