Figures 23–26 in Contributions to scorpion systematics. III. Subfamilies Smeringurinae and Syntropinae (Scorpiones: Vaejovidae)

Figures 23–26: Trichobothrial pattern of pedipalp patella, external view, of genus Thorellius showing orthobothriotaxy. 23. T. intrepidus, male, Mexico. 24. T. cristimanus, male, Autlán, Jalisco, Mexico. 25. T. atrox, female, Colima, Colima, Mexico. 26. T. occidentalis, female, Acapulco, Guerrero, Mexico. Abbreviations of trichobothria: eb = external basal; esb = external suprabasal; em = external median; est = external subterminal; et = external terminal; v3 = ventral trichobothrium number 3.