Clubiona pallidula

(Clerck, 1757)

European Sac Spider

Clubiona pallidula is a of sac spider in the Clubionidae. It is native to Europe, the Caucasus, Russia (extending to the Far East), and Central Asia, and has been introduced to North America. The species has been the subject of detailed morphological studies examining its genital anatomy and copulatory mechanics. Unlike some related spiders frequently found indoors, this species is primarily encountered in outdoor .

<div class="fn"> Danmarks fauna; illustrerede haandbøger over den danske dyreverden..</div> by Dansk naturhistorisk forening. Used under a Public domain license.Clubiona pallidula w 080607 by Accipiter (R. Altenkamp, Berlin). Used under a CC BY 3.0 license.Clubiona pallidula (26665014984) by Donald Hobern from Copenhagen, Denmark. Used under a CC BY 2.0 license.

Pronunciation

How to pronounce Clubiona pallidula: //klʊˈbaɪ.oʊ.nə ˌpælɪˈdʌlə//

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Identification

Distinguished from the superficially similar longlegged sac spiders ( Cheiracanthium, Eutichuridae) by possessing a distinct groove in the center of the and a tuft of curved setae on the front edge of the —features absent in Cheiracanthium. The genus Clubiona is characterized by these traits, though -level identification requires examination of genitalia.

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Habitat

Forested and natural outdoor ; not typically associated with indoor environments unlike some related sac spider .

Distribution

Native to Europe, the Caucasus, Russia (Europe to Far East), and Central Asia. Introduced to North America.

Behavior

Constructs silken sac-like retreats for resting during the day; hunts actively on foot without building webs for prey capture.

Human Relevance

Less commonly encountered indoors compared to other sac spider ; not considered a significant indoor pest.

Similar Taxa

  • Cheiracanthium spp.Formerly classified in Clubionidae and similar in general appearance, but lacks the central groove and abdominal setal tuft present in Clubiona; also more frequently found indoors.

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