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Manzanita leaf gall aphid (Tamalia coweni)

The manzanita leaf gall aphid (Tamalia coweni) induces fold galls along the edges (and occasionally midribs) of manzanita leaves, as well as on its inflorescences (clusters of flowers).


Galls induced by the manzanita leaf gall aphid (Tamalia coweni) on common manzanita. Note that the leaf on the right has a pair of galls along opposite margins. Black Diamond Mines Regional Preserve, Antioch, Contra Costa County, California, USA.
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Close-up of a single gall induced by the manzanita leaf gall aphid (Tamalia coweni) on common manzanita. Black Diamond Mines Regional Preserve, Antioch, Contra Costa County, California, USA.
GAL0051

Next Gall: Spiny leaf gall wasp (Diplolepis polita)



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All images copyright Timothy Boomer. All rights reserved worldwide.