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| 1 | 2 |  » Stats |
Members: 50,153
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| | Welcome to our newest member, NeilYoungForever | |  | 
08-05-2010, 10:33 PM
| | Officer of the Wild Empire | | Join Date: Sep 2007 Location: Caldbeck, Cumbria
Posts: 766
| | | Nomada sp. (male)
Swept from rough grass today. From what I've seen on previous postings I believe these are difficult to ID. I still have it if any information would help.
Many thanks
Peter  |
09-05-2010, 12:59 AM
|  | Commander of the Wild Empire | | Join Date: Nov 2008 Location: Lincoln
Posts: 4,826
| | | Re: Nomada sp. (male)
I think it's a male N. ruficornis. 3rd antennal segment distinctly shorter than 4th. Can you see about 5 long spines on the hind tibia? Are the mandibles divided into two teeth?
You will have to click 'honey bees' on the left to find it. Note that male is same a female other than noted differences. Google Translate
Let's see what others say...
Has it got some food?
Janet 
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09-05-2010, 08:10 AM
| | Officer of the Wild Empire | | Join Date: Sep 2007 Location: Caldbeck, Cumbria
Posts: 766
| | | Re: Nomada sp. (male)
Hi Janet
The answer to both those questions is no. The hind tibia has only the 2 long subapical spines. I've been looking at Alan Stubbs draft key ( which incidentally doesn't refer at all to tibial spurs ). Could it be N.panzeri ? There are faint dark markings on the dorsal surace of the whole length of the antennae.
Peter
PS Its too cold to worry about feeding |
09-05-2010, 09:25 PM
|  | Knight Grand Cross of the Wild Empire | | Join Date: Jul 2007 Location: London
Posts: 11,830
| | | Re: Nomada sp. (male)
Evening Peter,
Can you get a shot of the mandibles, please? I get those images when required by tipping the specimen back 45' and pointing the camera upwards - that seems to be where the jaws meet. It's impossible to open them, I find.
Have you ever put one under a microscope while it ' defrosts'?
Take care, Jason 
Last edited by Jason Green; 09-05-2010 at 09:28 PM.
|
10-05-2010, 08:43 AM
| | Officer of the Wild Empire | | Join Date: Sep 2007 Location: Caldbeck, Cumbria
Posts: 766
| | | Re: Nomada sp. (male)
Hi Jason
I haven't got any more photos but I've had a good look at it with the microscope and am as puzzled as before :
Following Alan Stubbs key
The jaws definately taper to a point with no suggestion of a division into 2.
The pv hairs on the front femur are at least as long as the width of the femur.
There are no orange spots on the post scutellum
Segment 4 of the antennae is slightly [ not really 'distinctly'] longer than segments 3 & 4
Any more ideas ?
Peter |
10-05-2010, 02:20 PM
|  | Commander of the Wild Empire | | Join Date: Jun 2006 Location: Salisbury; Wilts
Posts: 2,308
| | | Re: Nomada sp. (male)
I would suspect this is either N. flava or N. panzeri. However, I am by no means certain |
10-05-2010, 03:03 PM
| | Officer of the Wild Empire | | Join Date: Sep 2007 Location: Caldbeck, Cumbria
Posts: 766
| | | Re: Nomada sp. (male)
Thanks Stuart
Is there anyway I can be more certain ? ( I still have it ). I know these 2 are inseperable.
Peter |
10-05-2010, 06:28 PM
| | Commander of the Wild Empire | | Join Date: Jun 2006 Location: Salisbury; Wilts
Posts: 2,308
| | | Re: Nomada sp. (male)
Not really. These are certainly microscope jobs. There is a nasty little group of lookalikes which include N. flava, N, panzeri, N. signata and N. hirtipes which present problems at the best of times | | |
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