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Post by jonathan on Feb 21, 2012 22:51:22 GMT -8
Hi people, I caught this Colias from South Spain last year. In my opinion it is an aberration of a male Colias alfacariensis. Can anyone confirm please? Thanks. Jonathan Attachments:
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Post by jonathan on Feb 21, 2012 22:52:00 GMT -8
Here is the underside of the same specimen. Attachments:
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Post by bobw on Feb 21, 2012 23:11:08 GMT -8
It's certainly C. alfacariensis, but I would say it looks like a female. I've studied more than 10,000 of these things and I've never come across a white male.
Bob
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Post by jonathan on Feb 22, 2012 1:10:53 GMT -8
Hi Bob,
Thanks for your reply. It's ground colour is light yellow. Maybe the flash made it look whiter. I deduced it to be a male from the abdomen.
Are these aberrations normal in C. alfacariensis?
Thanks once again.
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Post by bobw on Feb 22, 2012 2:38:16 GMT -8
If you can see the genitalia and it's clearly a male then it must be, but don't go on the size and shape of the abdomen as this is very unreliable, especially when dried. Very pale yellow males are certainly found, but very pale yellow females are more common; females of the normal male colour are rare but fairly regularly found.
Like most Colias, alfacariensis is a very variable species; I wouldn't say your specimen is that unusual.
Bob
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Post by jonathan on Feb 23, 2012 2:11:36 GMT -8
Thanks a lot Bob for your input. Really appreciated. I will stick with your determination.  Jonathan |
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