Hy,
the last photo is a female. in the first photo there are 2 male (on the right) and a female on the left.
Best regards, Fabio.
Hello again,
in case of Attacus atlas, it´s very easy to determit the gender of the pupae by the size of the antennas. Large ones are male and smaller ones the female.
Friedly regards, Mario
Wessel,
They look a bit dehydrated to me. Spray them every day, or twice!
kind regards,
Marc
Yes in my opinion the last pupae is a bit dehydrated (the big pupae). the advice is right: spray them often.
Best regards, Fabio.
I think that the creases in the segments will not disappear but sprayed them often you help the pupae to dehydrate it less.
but if you spray more them you will have more probability that the moth will emerge earlier. so spray them 2-3 times a week or more often if you keep them in a room with high temperature. if you want that the moths will hatch early, it is all right.
Best regards, Fabio.
the fat pupae is so because it was formed so. the moth will emerge normally. we said about that it is a bit dehydrated because the segment are nearer than in the normal pupae.
Hello again,
in case of Attacus atlas, it´s very easy to determit the gender of the pupae by the size of the antennas. Large ones are male and smaller ones the female.
Friedly regards, Mario
Nope. The correct way to determine the gender of a pupa (this is the singular, not pupae!) has been described several times in this forum. Please use the search app. 3 free abdominal rings is girl, 4 is boy. Look for Geschlecht Puppen or something like this, for example here . -The size of the antennas is no appropriate parameter in terms of determination of gender.
Nope. The correct way to determine the gender of a pupa (this is the singular, not pupae!) has been described several times in this forum. Please use the search app. 3 free abdominal rings is girl, 4 is boy. Look for Geschlecht Puppen or something like this, for example here . -The size of the antennas is no appropriate parameter in terms of determination of gender.
Yes, in Attacus atlas the method of Granarius is right but in all the moth the correct method to determinated the sex of the pupae is that of soil74
Yes, in Attacus atlas the method of Granarius is right but in all the moth the correct method to determinated the sex of the pupae is that of soil74
now I don't get it anymore, you say: yes in attacus atlas the method of Granarius is right but in all the moth the correct method to determinated the sex of pupae is that of soil.
How do I have to determinate them now, by the size of antennas or free abdonial rings??
in Attacus atlas you can see the sex of the pupae from the antennas (because they are different in the female and in the male) and from the segments. I said that in all moth the method to see the antennas is wrong because there are many moth where the antennas are the same in males and in females because them are thin both in females and in males and in this case the only right method to know the sex is to see the abdominal segment.
I only said you that the correct method is to see the abdominal segment but if there are any different of the size in the antennas you can try to know the sex from them. 
Best regards, Fabio.
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