Clubiona johnsoni

Gertsch, 1941

Johnson's Sac Spider

Clubiona johnsoni is a of 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 that does not build webs to capture . The species is distinguished from similar genera by possessing a distinct groove in the center of its and a tuft of curved on the edge of the .

Pronunciation

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

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Identification

Distinguished from the similar Cheiracanthium (longlegged ) by the presence of a distinct groove in the center of the and a tuft of curved on the 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

  • Cheiracanthium spp.Longlegged that closely resemble Clubiona in general appearance and ; distinguished by the absence of a central groove and abdominal setal tuft, and by being more frequently encountered indoors.
  • Coras spp.Formerly classified in Clubionidae; now placed in Agelenidae. These funnel-web can be distinguished by their web-building and different arrangement.

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Sources and further reading