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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Nematocera" (Non-Brachycera) » Gnats, Gall Midges, and March Flies (Bibionomorpha) » Fungus Gnats and Gall Midges (Sciaroidea) » Gall Midges and Wood Midges (Cecidomyiidae) » Gall Midges (Cecidomyiinae) » Lasiopteridi » Oligotrophini » Rhopalomyia » Coyote Brush Bud Gall Midge (Rhopalomyia californica)
Photo#456585
Oddly colored Rhopalomyia californica galls? - Rhopalomyia californica
Copyright © 2010 John Callender

Oddly colored Rhopalomyia californica galls? - Rhopalomyia californica
Carpinteria Bluffs, Carpinteria, Santa Barbara County, California, USA
September 18, 2010
Size: ~1.5 cm
These bud galls were on coyote brush (Baccharis pilularis) in coastal sage scrub on a bluff near the shore. I assume they are Rhopalomyia californica, but I was surprised by their color; I'm used to these galls being green, rather than magenta-ish. I'm curious if this is normal for R. californica, or if there might be some other explanation.

I note that this image seems to show a similar shade:

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Contributed by John Callender on 19 September, 2010 - 9:42am
Last updated 21 October, 2010 - 8:44am

Moved
Moved from ID Request. I don't think the reddish tinge is too unusual; it may have something to do with environmental conditions (like maybe light exposure).
… Charley Eiseman, 21 October, 2010 - 8:44am login or register to post comments

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