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Photo#264465
twig galls on bur oak - Disholcaspis quercusmamma

twig galls on bur oak - Disholcaspis quercusmamma
Ackworth, Warren County, Iowa, USA
April 8, 2009
Size: 1 cm diameter
Exit hole on bottom of gall.

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twig galls on bur oak - Disholcaspis quercusmamma twig galls on bur oak - Disholcaspis quercusmamma twig galls on bur oak - Disholcaspis quercusmamma