Cheiracanthium mildei
(Long-legged Sac Spider)

Picture ID 61260

Picture of Cheiracanthium mildei (Long-legged Sac Spider) - Dorsal

Comments & ID Thoughts

I have no clue what the hell this is but its been running around my room for a few days and i finally caught it in a small container and not sure if its poisionous or not and id rather not kill it so now im torn between releasing it outside or putting it down. Need help!

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ItsyBitsy
Moderator

Hi, this is a Long-legged Sac Spider, Cheiracanthium mildei. (They are very common.)

WTFisThisSpiderFFS
Member

OH MY GOD DON’T KILL IT, IT’S RARE!!

It is a Green Huntsman Spider, also known as Micrommata Virescens. Their species is in decline, possibly due to habitat loss. Green Huntsman spiders have a bright green carapace and legs. The females have a bright green abdomen which has a darker green stripe along the top, bordered in yellow. The males have a yellow abdomen featuring scarlet colored stripes. Both sexes have white circles around their six black eyes.

ItsyBitsy
Moderator

Not in the Americas.

WTFisThisSpiderFFS
Member

Oh, I’m sorry… I just tried to help…! Now I just feel stupid… I’m really sorry for being wrong…!

TangledWeb
Member

It happens to all of us. 🙂 Please keep your passion for protecting threatened species and don’t let fear of a mistake hold you back!

Nokillit
Member

Good

Deadcolossus
Member

May is basically spider month. I can see from the picture you’re shining light on it (because of the shadow). I found one in my shower curtain (just south of Detroit, MI) and when I let up the jar it glew yellow. It was absolutely a Long Legged Sac Spider.

Additional Pictures

Picture of Cheiracanthium mildei (Long-legged Sac Spider) - Lateral Enlarge Picture
Picture of Cheiracanthium mildei (Long-legged Sac Spider) - Dorsal Enlarge Picture
Picture of Cheiracanthium mildei (Long-legged Sac Spider) - Dorsal Enlarge Picture
Picture of Cheiracanthium mildei (Long-legged Sac Spider) - Lateral Enlarge Picture