Juvenile Acanthoscurria geniculata

[Gizalba]

I don't know if this is revealing enough of the right parts, but it's the best I could get. I would be very grateful/interested if anyone could tell me from these photos whether Ruby looks male or female and why?

 

[menavodi]

It’s Rubinia…female!

 

[Gizalba]

It’s Rubinia…female!

Thanks haha, How definite is that? And how can you tell?

 

[menavodi]

I see the spermatheca.