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01-11-2011, 05:46 PM
|  | Commander of the Wild Empire | | Join Date: Nov 2008 Location: Lincoln
Posts: 4,826
| | | Lasioglossum? male red bands
Hi,
I'm having trouble with this! It seems to be a Lasioglossum male, but I'm not sure. After much searching I give in, hopefully the orange-red bands and red-brown tarsi are a good clue. Lasioglossum rufitarse is the best "guess" I can make.
Janet     
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01-11-2011, 11:19 PM
|  | Commander of the Wild Empire | | Join Date: Jan 2007 Location: London
Posts: 1,011
| | | Re: Lasioglossum? male red bands
why not calceatum? |
02-11-2011, 12:03 AM
| | Commander of the Wild Empire | | Join Date: Nov 2008 Location: Lincoln
Posts: 4,826
| | | Re: Lasioglossum? male red bands
Quote:
Originally Posted by tristanba  why not calceatum? | That entered my head Tristan, but only briefly. All the L. calceatum I have had or seen have more yellow legs, and the red is not so orange-red nor is it so well defined. Male calceatum usually have some white bands too, and the yellow labrum is broad and more visible. I guess it's possible though.
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02-11-2011, 10:00 AM
|  | Commander of the Wild Empire | | Join Date: Jun 2006 Location: Salisbury; Wilts
Posts: 2,308
| | | Re: Lasioglossum? male red bands
No question that this is L. calceatum - a very variable species in the male coloration. L. rufitarse is never red marked on the abdomen |
02-11-2011, 11:36 AM
| | Commander of the Wild Empire | | Join Date: Nov 2008 Location: Lincoln
Posts: 4,826
| | | Re: Lasioglossum? male red bands
Quote:
Originally Posted by eucera No question that this is L. calceatum - a very variable species in the male coloration. L. rufitarse is never red marked on the abdomen | Thanks Stuart, problem solved. Trying to find photos of L. rufitarse is impossible other than specimens on flickr.. which look to be the same as on boldsystems.. BC_ZSM_HYM_01029 Lasioglossum rufitarse | Flickr - Photo Sharing!
..on boldsystems, the male looks to have some red.. BOLD Systems - Taxonomy Browser
..and on Biolib which looks to be female but showing red on the abdomen. BioLib - Lasioglossum rufitarse - Image
I'm having difficulty seeing the broad yellow labrum too, even lightened I can't see it but it has a lot of hairs over it. 
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