Xysticus punctatus

Keyserling, 1880

Punctated Ground Crab Spider

Xysticus punctatus is a ground-dwelling crab spider in the Thomisidae. It is found in the United States and Canada, with records from provinces including Alberta, British Columbia, and Manitoba. As a member of the Xysticus, it shares the characteristic crab-like posture and ambush hunting strategy of its relatives.

Pronunciation

How to pronounce Xysticus punctatus: //zɪsˈtiː.kəs pʌŋkˈtaː.tʊs//

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Distribution

United States and Canada. Canadian provincial records include Alberta, British Columbia, and Manitoba.

Behavior

spiders have been observed engaging in ballooning , climbing to elevated positions and releasing silk threads to catch wind for . This behavior has been documented in Xysticus spiders during spring and fall.

More Details

Ballooning behavior

Members of the Xysticus, including X. punctatus, are among the crab spiders known to utilize ballooning for . This involves climbing vertical objects, releasing silk threads, and using wind or electrostatic forces to become airborne.

Predation by spider wasps

The Xysticus is documented as common prey for spider wasps in the genus Dipogon, which hunt crab spiders on tree trunks and provision nests with paralyzed specimens.