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Was sold to me as a G. pulchra but am wondering if it's actually G. sp. 'formosa'?
Any time you find "sp. Something" it means there is no published set of characters, and no type species to compare to. You can compare your spider against the type description of Grammostola pulchra and see if it matches or if there are variations, but that isn't always easy to without a microscope and a some experience. The collection location would also be a good indicator, if that is known for this spider or spiders in its lineage.

See this thread: https://arachnoboards.com/threads/grammostola-sp-formosa-just-a-thought.322426/

Grammostola sp. Formosa may not even be a distinct species, it could be G. pulchra or G. quirogai or G. grossa. Was it sold as a female?
 
Any time you find "sp. Something" it means there is no published set of characters, and no type species to compare to. You can compare your spider against the type description of Grammostola pulchra and see if it matches or if there are variations, but that isn't always easy to without a microscope and a some experience. The collection location would also be a good indicator, if that is known for this spider or spiders in its lineage.

See this thread: https://arachnoboards.com/threads/grammostola-sp-formosa-just-a-thought.322426/

Grammostola sp. Formosa may not even be a distinct species, it could be G. pulchra or G. quirogai or G. grossa. Was it sold as a female?
Thank you so much for the info!
Yes, she was sold as a confirmed female.
 
If it's a female, you can check the shape of the spermatheca, but if memory serves G. pulchra and G. quirogai are pretty darn near identical.
Perfect, I'll wait for a molt and check it out! I know it's basically impossible to distinguish between pulchra and quirogai so I'm not too worried about whether she's one or the other. The G. sp. 'formosa' I've seen have a much more coarse/grey look compared to the velvety black I wanted in a pulchra so got concerned when someone said they were suspicious of her being one. Thanks again for all of your help! :)
 

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