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Jumping spider

Cosmophasis sp




17 Comments

folicallychalled
folicallychalled 5 years ago

No worries. This is one of those bugs that is a problem to identify conclusively. A continuous source of frustration.

Dave

KitchilPus
KitchilPus 5 years ago

Thank you al for the links and comments,sorry little late replay,back at work on board for several weeks now.
Cheers.

Paul Davis
Paul Davis 5 years ago

Fabulous looking jumper ,great photograph.

folicallychalled
folicallychalled 5 years ago

I couldn't find anything in the Wiki link to confirm anything and the other link is just images from Flickr that anyone can post. Just my opinion, but this is not conclusive.

I do suspect that all of yours, mine and on this post, are all umbratica, but I crave the opinion of an expert, something that I have never found.

Dave

Jason Alexander
Jason Alexander 5 years ago

So colorful spider!!

Lanzz
Lanzz 5 years ago

For male of C. Umbratica, all information for identification can be found in wikipedia - http://en.wikipedia.org/wiki/Cosmophasis.... My spotting for the male one matching C. Umbratica characteristic...

The female of C. Umbratica is harder to ID because of a variation in the abdomen. But, i assume they are a pair of a species, because they are on the same tree (and in nearby leaf). Check this link for more pictures - http://www.jumping-spiders.com/php/tax_d... (maybe not all ID are correct)

folicallychalled
folicallychalled 5 years ago

Lanzz - great images. BUT, how confident are you that the PA20 link is an expert opinion. Like Bayucca, I am not confident enough to go to species level for any of these spiders. It is a super set of arachnid images and I hope it is an expert behind them.

I hope to find a pair actually mating one day. So far, in two years, no success. Both spiders being on the same tree or bush, I don't think is good enough for such an assumption. A fair probability yes, but not definitive.

Dave

Lanzz
Lanzz 5 years ago

This spider is beautiful... Folicallychalled, you also have many spotting of the spider from this genus... All of them are beautiful, and i hope you can find the ID for these spider...

I don't think this spider is C. Umbratica... Here are my spotting of C. Umbratica, that i found on the same tree (so, we might safely assume they are a pair of a species).

Male - http://www.projectnoah.org/spottings/133...
Female - http://www.projectnoah.org/spottings/143...

bayucca
bayucca 5 years ago

Wonderful set of Cosmophasis, Dave!! It really looks to be a tricky genus with a tremendous variability.
http://potokito-myshot.blogspot.ch/2012/...
I guess you know this site as well:
http://salticidae.org/salticid/catalog/c...
http://salticidae.org/salticid/diagnost/...

bayucca
bayucca 5 years ago

Dave, to be honest, I am glad to have the genus and maybe some features or arguments for going down to species level, but I cannot bother about the sex ;-). In some jumpies it is very easy, but most of the time I am out of the game...
In this case, I cannot help more than the genus.

folicallychalled
folicallychalled 5 years ago

Bayucca - great site. Numbering from the top, I believe the first four are all females, although No3 looks 50/50. The last two are both males. No3 is very confusing, as I can see coloration and pattern features of both sexes.

Differences in patternation can be seen between all the females and none of them match what I have in my collection.

DAve

bayucca
bayucca 5 years ago

Good link! I am not as experienced with jumping spiders to judge these IDs and the possibilities of variation within the genus and species itself. I still would not dare to call this Umbratica, from that what I see and know (which is not really much)...

bayucca
bayucca 5 years ago

My thinking of female Umbratica is only based on pictures #4, (#5) and #7 of this link:
http://siamensis.org/node/34567/trackind...
But I am not sure if the ID is correct. The only thing I am sure is, that it is a Cosmophasis sp.
Do you have pictures of yours?

folicallychalled
folicallychalled 5 years ago

Here is a link to a very good PDF, showing the mating and the difference between the male and female. It seems as though there are lots of variations in umbratica, or should I say sub-species, as the differences are not random.

http://www.google.com/url?sa=t&rct=j...

Dave

folicallychalled
folicallychalled 5 years ago

Bayucca - I have five variations of this arachnid, none of them are a match. I agree, I think this is a female also. I believe the males are more blue. There doesn't seem to be much difference in the pedipalps, which makes sexing these spiders difficult.

Dave

RiekoS
RiekoS 5 years ago

Beautiful colors.

bayucca
bayucca 5 years ago

Salticidae, Heliophaninae, Cosmophasis sp.
http://en.wikipedia.org/wiki/Cosmophasis...
http://en.wikipedia.org/wiki/File:Cosmop...
http://arachne.org.au/01_cms/details.asp...
Close, but not the same:
http://www.photoforum.com.au/showthread....)
Looking at this link, it might be Cosmophasis umbratica, but looking at other Umbraticas, I am not sure if this ID from Thailand is correct:
http://siamensis.org/node/34567/trackind...
So, is it really Cosmophasis umbratica, female??
http://salticidae.org/salticid/diagnost/...


KitchilPus
Spotted by
KitchilPus

Negros Oriental, Philippines

Lat: 9.36, Long: 123.28

Spotted on Feb 1, 2014
Submitted on Feb 1, 2014

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