Measurements used in this study. Abbreviations: VB ventral transverse bar: x length of one ventral bar branch, w ventral bar maximum width; DB dorsal transverse bar: h length of auricle, x total length, y distance between auricles, w maximum width; GR gripus: a total length of gripus, b blade length, c outer root length, d inner root length, e point length; MCO male copulatory organ: Ap accessory piece length, Pe penis total length, He heel length; U uncinulus: ul uncinulus length.