I've never had a pulchra before and I'm still pretty bad at ventral sexing. Can you tell me exactly what makes you think that this is a fem? I have read in another thread that a curtain of hairs pointing downward should indicate a fem. But i cant see them at all.
See the threads below to have a better understanding. Most posters added this above the picture: 0:0:0 - this means: male:female:unsexed. So 1:0:0 would be male, and 0: 1 :0 would be female. There's a picture on page 3, post #39 of a male G. Pulchra, you'll see the clear difference between that and your specimen
Moustaches (hairs pointing down) are seen in larger sepcimens (sub-adults - adults). Yours are still small.
Why my opinion is female is because the anterior booklungs, where the furrow is located, I see a slit. It looks a bit lippy and is straight. Where in males there will be a break (connection) in the middle, with a notch and a dot above the notch on the epigynal plate - this is called the epiandrous fussilae. Which is not present in your specimen - thus my guess is female
Remember, the only fool proof way to confirm the sex of your specimen is to look at the molt. Ventral sexing is not 100% accurate all the time. When it molts, unfold the abdominal part of the molt carefully, don't tear it. (try to get the molt as soon as possible before the T starts to chew on it, destroying it and rendering it useless for sexing) use alcohol or soapy water to soften the molt (only a little bit, otherwise it would be too wet to notice the important parts if they were to be there), look at the inside of the molt (the booklungs will look white, and no setae is present on the inside) look at the region between the anterior booklungs and see if you can locate the spermathecae and uterus externus (female bits) - this will usually look like a translucent flap. Remember, in some specimens you'll have to look harder than others, and it will become more apparent and clear as the T gets bigger.
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