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Coccinellidae - Brachiacantha subfasciata

Coccinellidae - Brachiacantha subfasciata
Nogales, Santa Cruz County, Arizona, USA
March 1, 2017
Size: 4 mm
Its small size (4 mm) made me think that this beetle was not Axion plagiatum, but the color of its abdomen and number of antennomeres led me to believe it was. Obviously, I went off the wrong path.

Images of this individual: tag all
Coccinellidae - Brachiacantha subfasciata Coccinellidae - Brachiacantha subfasciata

Moved from Brachiacantha.

A female Brachiacantha subfasciata
4mm is too large for B. querceti. This is the only Brachiacantha in the US where the red markings are centered in this fashion.

Thank you James for your help.

Moved tentatively....
I think this is better, based on the tibial spur I hadn't initially seen...

Moved from Beetles.

The name "Oak Lady Beetle" (Brachiacantha querceti)
made me realize that I found it by sweeping Emory oak and I forgot to disclose that info. In my opinion, it resembles Brachiacantha subfasciata simply based on color patterns. Thank you Blaine!

definately not Axion...
shape not right for the Chilocorinae. Perhaps a Hyperaspis?

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