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Cheiracanthium mildei
(Long-legged Sac Spider)

Picture ID 57569

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

Comments & ID Thoughts

Found three similar spiders today. First two were lighter in color, almost clear bodies.

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TangledWeb

Hi, the yellow sac spiders are showing up now. This one is probably in the genus Cheiracanthum . There are two main species in USA, C. mildei and C. inclusum. They look the same. C. mildei tends to be an indoors spider, C. inclusum can be in or out.

TangledWeb

They could be young siblings or a female might be attracting males with pheromones. They don’t live as groups once the spiderlings are old enough to go off on their own. That helps prevent inbreeding. Outdoors they live on foliage of all types, they’re very populous. They seem to be very good at finding ways into houses.

ItsyBitsy

C. mildei is the in or out one. 🙂

TangledWeb

Oops! Agrarian is just out?

ItsyBitsy

Yeah.

Additional Pictures

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