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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) » Aquatic Leaf Beetles (Donaciinae) » Donacia » subgenus Donacia (Donacia subgenus Donacia)
Photo#37602
Beetle at Home on Lily Pad - Donacia
Copyright © 2005 Stephen_WV

Beetle at Home on Lily Pad - Donacia
East of Buckhannon, Upshur County, West Virginia, USA
August 16, 2005
Found this beetle while stalking Vesper Bluets on Lily pads. Confirmation, denial, elaboration of ID appreciated.
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Contributed by Stephen_WV on 19 November, 2005 - 7:54am
Last updated 14 August, 2015 - 6:49pm

Moved
Moved from Donacia.
… v belov, 14 August, 2015 - 6:49pm login or register to post comments

Moved
Moved from Aquatic Leaf Beetles.
… john and jane balaban, 22 July, 2008 - 8:55pm login or register to post comments

Sure Donacia!
- elongated hind legs, also water lilies are not food plants of Plateumaris spp.
… Boris Büche, 20 December, 2006 - 6:56am login or register to post comments

aquatic leaf beetle
Apparently, Plateumaris species are very similar to Donacia. The only difference mentioned in this key to Alabama Donaciinae is whether the sutural margin of the elytra is straight to the apex [Donacia] or sinuate near the apex [Plateumaris]. Judging from the diagram, it's a small difference that would be difficult to see in most photos.
I wonder whether at least some of the photos on the Donacia page are actually Plateumaris species. Does anyone know a way to distinguish these two genera based on photographs?
… Robin McLeod, 20 November, 2005 - 1:12am login or register to post comments

 
Next year
These beetle seemed common enough. Next year I'll try to get a high resolution dorsal view of the rear of the elytra.

--Stephen

Stephen Cresswell
Buckhannon, WV
www.stephencresswell.com
… Stephen_WV, 20 November, 2005 - 4:05am login or register to post comments

 
In the meantime...
since none of the photos currently on the Donacia page have been identified to species, and none of the comments under the photos have explained how Plateumaris can be distinguished from Donacia, I think it would be safer to move all the images to the subfamily level.
… Robin McLeod, 20 November, 2005 - 2:02pm login or register to post comments

Correct
pretty sure youre genus is correct, we have some in florida from this genus and they look almost exactly the same, unfortunately we never id'd ours to species...
… Kyle Pias, 19 November, 2005 - 8:41pm login or register to post comments

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