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Heteroecus pacificus
2222_2318 Photo added 2012-02-09

Heteroecus pacificus (Hymenoptera: Cynipidae)
Beaked Spindle Gall Wasp
Blue Oak Ranch Reserve, Santa Clara County, California
September 3, 2011

Unisexual generation stem gall, on Quercus chrysolepis (canyon live oak). The shape of this gall has been altered by inquiline (guest) wasp larvae, which are located around the bulbous tip.

all photos and text © Joyce Gross