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|  » Stats |
Members: 50,173
Threads: 82,386
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Top Poster: glsammy (15,069)
| | Welcome to our newest member, shipin | |  | 
08-08-2011, 06:05 PM
|  | Wild Member | | Join Date: Apr 2009 Location: Birmingham
Posts: 222
| | | 2 Jumpers for ID
Hi all,
I found both of these at work today. I can't be sure that they are british species but if anyone can offer any help it would be appreciated, thanks.
Gray.   |
11-08-2011, 05:12 PM
|  | Commander of the Wild Empire | | Join Date: Mar 2007 Location: N.W. Lancashire
Posts: 1,611
| | | Re: 2 Jumpers for ID
For the 1st one, try Menemerus semilimbatus (male).
A non-native species ... |
11-08-2011, 09:02 PM
| | Wild Member | | Join Date: Apr 2009 Location: Birmingham
Posts: 222
| | | Re: 2 Jumpers for ID
Quote:
Originally Posted by Action_Man  For the 1st one, try Menemerus semilimbatus (male).
A non-native species ... | Action_Man,
It is indeed Menemerus semilimbatus but from the images I've viewed it looks like a female more than a male but either way, thank you.
Can I ask how you went about your search to come up with your conclusion of ID on this spider? I'm sure that 95% that the jumpers I find at work are more than likely of European origin and as this site is about British wildlife I don't like asking for help with ID of European species. Is there a site that you know of that I'd be able to seek ID of the jumpers I find? I've got 2 more that I haven't got round to photographing yet and without a doubt I'll need help with identifying them.
Thanks again.
Gray |
11-08-2011, 11:35 PM
| | Commander of the Wild Empire | | Join Date: Mar 2007 Location: N.W. Lancashire
Posts: 1,611
| | | Re: 2 Jumpers for ID
Last year i had both male and female from someone i know, they were captive bred in the UK i think, and i`m pretty sure its male.
I recognised it immediately from the thumbnail, no need to search  ... |
12-08-2011, 06:58 PM
| | Wild Member | | Join Date: Apr 2009 Location: Birmingham
Posts: 222
| | | Re: 2 Jumpers for ID
Quote:
Originally Posted by Action_Man Last year i had both male and female from someone i know, they were captive bred in the UK i think, and i`m pretty sure its male.
I recognised it immediately from the thumbnail, no need to search ... | Action_Man,
As you had a M and F and your sure that that one is a Male could you tell me if this one could possibly be the Female?
Cheers
Gray  |
12-08-2011, 09:47 PM
| | Commander of the Wild Empire | | Join Date: Mar 2007 Location: N.W. Lancashire
Posts: 1,611
| | | Re: 2 Jumpers for ID
It doesnt look similar to the one i had, can you state its size ?, do you have them both in captivity ?.
Frits is the man to ask i think, he`s more up on mainland European spiders ... |
13-08-2011, 07:16 PM
| | Wild Member | | Join Date: Apr 2009 Location: Birmingham
Posts: 222
| | | Re: 2 Jumpers for ID
Quote:
Originally Posted by Action_Man It doesnt look similar to the one i had, can you state its size ?, do you have them both in captivity ?.
Frits is the man to ask i think, he`s more up on mainland European spiders ... | That's a real shame that it's not the female, it would have been nice to have a M and F. Now I'll have to search for an ID for the female, though I do now have a site to search through. I do have them both in captivity but I was unable to get a precise measurement but both are between 7-10mm. Thanks for your help with this and if you do come across any info on the female (if it is female) please let me know, cheers.
Gray |
13-08-2011, 07:51 PM
| | Wild Member | | Join Date: Apr 2009 Location: Birmingham
Posts: 222
| | | Re: 2 Jumpers for ID
Action_Man,
I've just been on to the site I found and searched for Menemerus semilimbatus and after looking at several links I came across your flickr page and saw your head on shot of the female ( nice shot BTW ) and it looks almost identical to mine, except yours is in focus 
Gray  |
14-08-2011, 05:05 PM
| | Commander of the Wild Empire | | Join Date: Mar 2007 Location: N.W. Lancashire
Posts: 1,611
| | | Re: 2 Jumpers for ID
Head-on yes it does look similar, the pattern on the body looked different in the 1st shot, perhaps it isnt fully developed yet, they can vary in each moult stage.
Why do you want a pair, are you going to attempt to breed them ?, if so, you can't release them into the wild, as they are a non-native species, you may have 40+ spiderlings to find homes for .
I have found two top-down images of my spiders, which i will post later on ... |
14-08-2011, 07:07 PM
| | Wild Member | | Join Date: Apr 2009 Location: Birmingham
Posts: 222
| | | Re: 2 Jumpers for ID
Quote:
Originally Posted by Action_Man Head-on yes it does look similar, the pattern on the body looked different in the 1st shot, perhaps it isnt fully developed yet, they can vary in each moult stage.
Why do you want a pair, are you going to attempt to breed them ?, if so, you can't release them into the wild, as they are a non-native species, you may have 40+ spiderlings to find homes for .
I have found two top-down images of my spiders, which i will post later on ... | I hope it has got one more moult to go, it's one of the largest I've found and another moult would make it a lot easier to photograph
The reason I was hoping for a pair was more to do with their bahaviours, I'm not honestly sure how jumpers behave when they want to breed but the female seems to be continuously brushing the floor with her palps, which could probably mean a thousand things but if they were the same species ( they're kept next to each other ) they may have wanted to breed. My wife keeps Tarantulas and she told me that when male T's are ready to breed they pace round, can't keep still. I don't know if it's the same with jumpers but this is also what the male is doing.
It's amazing that you said you can't release non native species. If you look at the photos of jumpers I've posted on WAB, I now doubt that any of them are a british species and they were all found where I work and if I had time to search, I could probably walk out of there at this time of year with at least 5 non native jumpers a day. The point I'm trying to make is I can't release a jumper yet hundreds are coming into the country every week. I totally understand the effects non native species being released but I feel it's a pointless excersise for the reason I've just spoke of.
Ramble over
Gray  | | |
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