robert61
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Posts: 184
Country: GERMANY
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Post by robert61 on Oct 7, 2016 7:12:05 GMT -8
it seems that my 4 pupae are all females.... hope that the others will become males.
on the other side, in nature it is so hard to find the females
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Post by Adam Cotton on Oct 7, 2016 7:43:00 GMT -8
Wait until you have more pupae and then compare them all again. In some species the male pupae do look a bit like females, but when you see a real female pupa you will know the difference straight away. In some species the sexes are always very obvious, but in others it is less easy.
Actually in general it is normal for the first larvae to pupate to be mostly males, and the females pupate a few days later. Similarly the male pupae start to emerge before the females, this enables the males to mature their spermatophore before the females hatch, so they can mate with them having already attained maximum fertility which takes a few days. Having said that, this is not a firm rule, sometimes the first ones to pupate are females.
Adam.
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robert61
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Posts: 184
Country: GERMANY
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Post by robert61 on Oct 7, 2016 8:25:35 GMT -8
the size of the caterpillars that I collected in the wild have been very different,some have been 1,5 cm and the others just comming out of the eggs,thats why I have so few pupae now ready. But as you say ,if I have more pupaes, I will start seeing the difference better.
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Post by teinopalpus on Oct 20, 2016 6:41:11 GMT -8
Many thanks for rare oportunity to see these butterflies and good luck.
Jan
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robert61
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Posts: 184
Country: GERMANY
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Post by robert61 on Oct 20, 2016 8:53:10 GMT -8
am trying since 2 days hand pairing ,but have not luck with my male..... I might try tomorrow with another fresh male that emerged today .
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Post by Adam Cotton on Oct 20, 2016 11:48:59 GMT -8
Males often need several days before they will hand pair successfully. Pairing can be especially difficult if the male is still really fresh because the claspers are still not completely hardened. Feed the male well and after a few days it may be easier to pair.
On the other hand, females are usually easiest to pair on the first day after emerging. Ideally you want to pair a fresh female with an older male.
Adam.
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Post by exoticimports on Oct 21, 2016 5:45:14 GMT -8
Ideally you want to pair a fresh female with an older male. Adam. I like the way you think. |
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robert61
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Posts: 184
Country: GERMANY
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Post by robert61 on Jan 15, 2017 10:43:37 GMT -8
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