Female, ~3mm bl. One of about 30 wasps (all apparently the same gender) hatched from Oak Apple shown on this page. The gall is induced by a cynipid wasp, not by these Eulophids. Little Sycamore trail, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 3/6/10. © Peter J. Bryant.
Eulophid Wasp

 

Hymenoptera: Eulophidae

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Female, ~3mm bl. One of about 30 wasps (all apparently the same gender) hatched from Oak Apple shown on this page. Little Sycamore trail, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 3/6/10. © Peter J. Bryant.

2.5cm diam. Oak Apple on Scrub Oak. Little Sycamore trail, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 3/6/10. © Peter J. Bryant.

One half of inside of the Oak Apple shown above. © Peter J. Bryant.

Other half of inside of the Oak Apple shown above. © Peter J. Bryant.

One of three brood chambers inside the Oak Apple shown above. © Peter J. Bryant.

A smaller (2.0cm diameter) Oak Apple containing only one brood chamber, and a wasp similar to those on this page. On Scrub Oak, Little Sycamore trail, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 3/6/10. © Peter J. Bryant.