Gall - Cynipid Wasp - Andricus atrimentus - Feron atrimentum

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Copyright © 2007 Barry Grivett

Gall - Cynipid Wasp - Andricus atrimentus - Feron atrimentum -

San Jose/Alum Rock Park, Santa Clara County, California, USA
July 11, 2007
Size: 2.5 mm tall

This is the summer unisex parthenogenetic female generation a.k.a. Striped Volcano Gall (Wasp) on Blue Oak. Species confirmed by Ron Russo, author of Field Guide to Plant Galls of California and Other Western States (ISBN 0520248864); see page 143.

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Gall - Cynipid Wasp - Andricus atrimentus - Feron atrimentum - female

Gall - Cynipid Wasp - Andricus atrimentus - Feron atrimentum - male - female

Contributed by Barry Grivett on 24 July, 2007 - 9:40pm
Last updated 25 July, 2007 - 11:15pm

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