1.7mm bl, hatched from Stem Gall on scrub oak collected 11/17/10. L80ittle Sycamore trail, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 4/13/11. © Peter J. Bryant.

Gall Midge

Lasioptera sp.

Diptera: Cecidomyiidae

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1.7mm bl, hatched from Stem Gall on scrub oak collected 11/17/10. Little Sycamore trail, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 4/13/11. © Peter J. Bryant.

1.7mm bl, hatched from Stem Gall on scrub oak collected 11/17/10. Little Sycamore trail, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 4/13/11. © Peter J. Bryant.

Exuvium left behind on Stem Gall on scrub oak collected 11/17/10. Little Sycamore trail, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 4/13/11. © Peter J. Bryant.

Stem Gall from which the midge on this page emerged. 1.7 x 1.2cm on scrub oak collected 11/17/10. Little Sycamore trail, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 4/13/11. © Peter J. Bryant.