Rosea or Porteri

Bonnie2105

Arachnopeon
Joined
Jun 24, 2020
Messages
8
Might be a daft question but could someone clear up the difference between Grammastola Porteri and Rosea because I see the normal form called both
 

Jess S

Arachnobaron
Joined
Mar 10, 2019
Messages
572
Here's 2 photos of a rosea (Red Colour Form).
I'm not great at taking photos but it gives you an idea. Notice how red the hairs are on the legs.

IMG_20200712_171958~2.jpg

IMG_20200712_232733~2.jpg

Unfortunately, I don't have a photo of the porteri for comparison. Hopefully someone will add one.
 

Vanessa

Grammostola Groupie
Joined
Mar 12, 2016
Messages
2,422
Grammostola porteri has different stridulation organs to rosea. Regardless, porteri is currently categorized as a separate species and should be treated as such until we're given different taxonomical information.
The common name of 'Chilean Rosehair' encompasses more species than just those two. It is also used for Grammostola sp. Gold, sp. North, and sp. Concepcion. There are likely even more species that we aren't aware of that look very similar.

For a visual comparison between rosea and porteri, see this post...
 
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