Clubiona johnsoni

Gertsch, 1941

Johnson's Sac Spider

Clubiona johnsoni is a of sac spider in the Clubionidae, described by Gertsch in 1941. It is found in the United States and Canada, with records from Alberta, Manitoba, and Ontario in Canada. Like other members of the Clubiona, it is a hunting spider that does not build webs to capture prey. The species is distinguished from similar genera by possessing a distinct groove in the center of its and a tuft of curved setae on the front edge of the .

Pronunciation

How to pronounce Clubiona johnsoni: //klʌˈbaɪ̯oʊ̯nə ˈd͡ʒɒnsəni//

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Identification

Distinguished from the similar Cheiracanthium (longlegged sac spiders) by the presence of a distinct groove in the center of the and a tuft of curved setae on the front edge of the . Cheiracanthium lacks both of these characters. Clubiona are also less commonly encountered indoors compared to Cheiracanthium.

Distribution

United States and Canada. Canadian records include Alberta, Manitoba, and Ontario.

Similar Taxa

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Sources and further reading