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Photo#1450064
Stalked oak gall - Andricus pedicellatus

Stalked oak gall - Andricus pedicellatus
Peña Springs, San Diego County, California, USA
March 12, 2017
Photos of host plant here.

Images of this individual: tag all
Stalked oak gall - Andricus pedicellatus Stalked oak gall - Andricus pedicellatus

Andricus pedicellatus
I believe the host oak in that location should be Quercus cornelius-mulleri, one of the scrubby white oak species that was split off from Quercus dumosa.

There are a couple of similar galls on golden oaks in California so knowing this is a white oak is important.

 
Great
Also potentially important for sorting out the leafminers I reared from this host--the oak feeders seem to be more finicky in California than elsewhere.

Moved
Moved from Gall Wasps.

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