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twig galls on bur oak - Disholcaspis quercusmamma Ackworth, Warren County, Iowa, USA April 8, 2009 Size: 1 cm diameter
Cut-open gall.
Images of this individual: tag all Contributed by John Pearson on 9 April, 2009 - 7:22am Last updated 10 April, 2009 - 8:01pm |
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