Human envenomization by Plectreurys tristis Simon (Araneae: Plectreuridae): a case report.

A case of human envenomization by a plectreurid spider, Plectreurys tristis Simon, is reported for the first time. The patient was bitten on the calf of the leg and initially experienced pain, edema, and slight pallor at the bite site. Numbness persisted for approximately 1 h in the affected leg. Symptoms resolved without specific treatment, and no significant sequelae were observed.