M.balfouri, male or female?

[Ny0ka]

Any ideas on sex?

 

[Lentulus]

Yes. It’s one of those.

But if you’d like someone to take an honest stab at determining which, we would need a picture of the belly side. An old molt under a microscope for better accuracy.


For fun and a better general idea

How to sex your tarantula

The only real accurate way to sex a tarantula is by examining the epigynal area located between the anterior book lungs of the tarantulas shed skin but to do this you must first know what you are looking for. FEMALE ANATOMY This is a picture of the female sex organs located between the...

tarantulaforum.com

 

[Lawrence b]

Looks female to me , because the blue stops near patella .But all depends how old it is . Heres four females maybe not best of pictures .