Acanthoscurria geniculata [molt sexing]
Cannot see spermathacae though there is definitely a flap. Any feedback would be greatly appreciated. It’s an a.geniculata That makes a difference.
Yes, species matters very much. So does size. What size are they?
If you can see a flap, then it's female. Males lack spermathecae and a uterus externus.
 

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Spermathecae sexing (Molts)
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Knuckles
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Apple iPhone 8
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ƒ/1.8
Focal length
4.0 mm
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1/24
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40
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Auto, did not fire
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A9FCED59-0597-40AA-80EA-71F4BB05BBFD.jpeg
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Date taken
Thu, 08 August 2019 7:43 PM
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