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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Longhorn and Leaf Beetles (Chrysomeloidea) » Leaf Beetles (Chrysomelidae) » Skeletonizing Leaf Beetles and Flea Beetles (Galerucinae) » Galerucini » Section Coelomerites » Trirhabda » Trirhabda flavolimbata

Photo#813411

Copyright © 2013 Scott Loarie

beetle - Trirhabda flavolimbata

San Mateo County, California, USA
July 28, 2013

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Contributed by Scott Loarie on 28 July, 2013 - 8:32pm
Last updated 18 October, 2013 - 10:16pm

Moved

Moved from Trirhabda.

The brilliance (and sparse pubescence?) of the green elytra here make me think T. labrata, but the pronotal spots don't seem large enough (and it looks like it may be a bit wet, and/or like flash artifacts may be contributing to the brilliance). Also, it seems that once you're north of the central part of the Santa Cruz Mountains (say, north of Scott's Valley) or east of the crest, then you're in "flavolimbata country".

I'm wondering whether the leaf here might be Symphyotrichum chilense (=Aster chilensis)? I've seen T. flavolimbata on that plant a number of times:

… Aaron Schusteff, 18 October, 2013 - 10:16pm

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Moved

Moved from ID Request.

… v belov, 9 August, 2013 - 11:54pm

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Not an ID, just an observation...

There are a couple of similar critters in Tirihbda:

Hold on to see what the experts have to say.

… Ken Wolgemuth, 28 July, 2013 - 8:45pm

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Tirihabda

I'm no expert by far, but I believe it is T. flavolimbata. By chance do you remember what plant (if any) you found it on. this species is associated with asteracea species, in particular B. pilularus (coyote brush). I'm working on a couple restoration sites in Carpenteria CA where our stands of B. pilularus have been hit hard by this species.

… zabbey, 1 August, 2013 - 5:55pm

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Thanks zabbey - I think you'r

Thanks zabbey - I think you're right. This one wasn't on Bacharris but I don't think it was feeding, just sitting there. I have seen what I now know to be their larvae close by on Bacharris though: http://www.inaturalist.org/observations/255083

… Scott Loarie, 10 August, 2013 - 12:19am

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