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Male Wandering Spider

January 20, 2011 | Armonia Nature Preserve, Limon Province, Costa Rica

This wandering spider in the family Ctenidae was spotted at the base of a large tree.

The large palps leave no doubt that this is a male.

Palps indicate a male

The eye arrangement was my first clue to the family. They also have a deep groove along the mid-line of the carapace, called a fovea, just barely visible in these photos.

I wasn’t able to identify this one any further than family. It’s quite a large spider though. The body measured 25mm (~1″) and with legs it was around 80mm (~3″).

Some species of Ctenidae have a nasty reputation. Suspecting at the time that this was a Ctenid, I kept a respectful distance. read more

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