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Photo#456585
Oddly colored Rhopalomyia californica galls? - Rhopalomyia californica

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:


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).

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