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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) » Flea Beetles (Alticini) » Disonycha Genus Group » Disonycha » Pigweed Flea Beetle (Disonycha glabrata)
Photo#200383
Disonycha glabrata? - Disonycha glabrata
Copyright © 2008 margarethe brummermann

Disonycha glabrata? - Disonycha glabrata
Sandario, Marana, Pima County, Arizona, USA
July 10, 2008
Size: 4mm
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Contributed by margarethe brummermann on 11 July, 2008 - 4:13pm
Last updated 18 September, 2008 - 12:42am

Moved
Moved from Leaf Beetles.
… margarethe brummermann, 18 September, 2008 - 12:42am login or register to post comments

can be safely moved to Disonycha
*
… v belov, 17 September, 2008 - 10:20pm login or register to post comments

The partially dark hind femor
The partially dark hind femora does not key it out to D. glabrata but D. maritima. But that species has only been recorded from Nevada and California. The dark vittae also are not as wide in typical glabrata yet it shows the dark edge of the elytron placing it in that group. I am assuming you have found it on Amaranthus, or at least there are examples at that site.
… John Randall Watts, 16 July, 2008 - 8:46am login or register to post comments

 
I decided to take this throug
I decided to take this through Blake's key to vittate Disonycha south of the US and it comes out to D. glabrata. This species occurs all the way to Argentina on Amaranthus and shows little variation throughout its range. It almost aways has the single basal pronotal spot. The edge of the elytra are always dark and the hind femora are often partially dark. A good fit. I was kind of hoping it was a new species for the US.
… John Randall Watts, 26 August, 2008 - 7:54am login or register to post comments

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