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Post by Deleted on Sept 22, 2014 10:59:50 GMT -8
Hello , I am wondering how you can determinate if Graphium Megaera is male or female ( beside looking at the abdomen ) i can post a picture here of the 19 specimens i have if necesarry. Thanks in advancr  |
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Post by Adam Cotton on Sept 22, 2014 13:07:04 GMT -8
The inner edge of the hindwing will be different in a female, although not very obvious, slightly broader, and no scent fold. Also the wings will be slightly more rounded in general. Probably all your specimens will be males, though.
Adam.
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Post by Deleted on Sept 22, 2014 18:55:24 GMT -8
Thanks Adam Is it hard to obtain females from that species? |
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Post by papilio28570 on Sept 23, 2014 0:42:29 GMT -8
The species according to Swallowtail.net "Restricted to forest habitat on the Philippine island of Palawan. Threatened if deforestation continues. Not common" swallowtails.net/G_megaera.htm |
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Post by Adam Cotton on Sept 23, 2014 8:52:42 GMT -8
Is it hard to obtain females from that species? Well, I don't have any females in my collection, so I guess the answer is yes, although it doesn't mean they are rare in nature, as the male - female sex ratio will be about 50-50. Nearly all specimens are collected mud-puddling, and those are all males. I do have several females of the very closely related Graphium megarus from mainland Asia, and I have collected them myself occasionally on flowers in Laos. I should also mention that the name Graphium megaera is a junior homonym and as such is unavailable and should not be used. It was replaced with Graphium ebertorum Koçak in 1983, and that is the Code compliant correct name for the species. Many people ignore this name, but even though the homonymy is with a Satyrine taxon rather than another Papilionid the replacement cannot be overturned on these grounds as the name was replaced before 2000. Adam. |
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Post by Deleted on Sept 23, 2014 10:44:36 GMT -8
Thanks alot for the great info |
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Post by Adam Cotton on Sept 24, 2014 0:42:21 GMT -8
Here is a photo of Graphium ebertorum male and G. megarus male and female. Note the scent fold with hairs along the anal edge of the hindwing of the males which I opened when spreading the specimens. This is absent in the female. The female is also slightly larger (but not always) and the outer edge of the forewing is less concave.  Adam. |
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Post by wolf on Sept 25, 2014 2:37:50 GMT -8
This is my(i believe) female G. megarus. I caught it in Danang area, Vietnam, at sea lvl on a flower in july 2010!  |
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Post by Adam Cotton on Sept 25, 2014 13:22:58 GMT -8
Yes that is definitely a female, very nice too.!
Adam.
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