Oxytate
(Grass Crab Spiders)

Picture ID 4933

Comments & ID Thoughts

I confuse this would be thomisidae or sparassidae

Submitted by:
fitryyanii
Submitted: Feb 3, 2018
Photographed: Feb 3, 2018
Spider: Oxytate (Grass Crab Spiders)
Location: Kuala Lumpur, Malaysia
Spotted Outdoors: Low foliage (shrubs, herbs, garden, excluding flowers)
Found in web?: No
Attributes: Eyes

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fitryyanii

Photo Owner

February 3, 2018 8:26 am

It has tappered abdomen and probably its a male

ItsyBitsy

Moderator

Reply to fitryyanii

February 3, 2018 10:09 am

I can’t see the palps well enough to determine gender.

fitryyanii

Photo Owner

Reply to ItsyBitsy

February 3, 2018 9:00 pm

can i ask you something. how do we know that spider is male or female? how to see based on their palps?

ItsyBitsy

Moderator

Reply to fitryyanii

February 3, 2018 9:26 pm

Sure, the palps (pedipalps,leg-like appendages near the spider’s mouth) are swollen on penultimate male (one molt from maturity) and sclerotized and enlarged on mature male spiders and are used to transfer sperm to the female. On immature males and females they are slender throughout. A mature female will have an epigynum (female reproductive organ) on the ventral of the abdomen.

Looking for examples in the same genus …

This one looks feminine: http://farm9.static.flickr.com/8073/8321394378_6555e7f044.jpg

This one looks possibly like a penultimate male: https://www.flickr.com/photos/suedechen/25830240206

And this one a mature male: https://sagr.co.za/forum/images/ext/2aac5019ab421531513331b4e10b7ad5