Spinitectus micracanthus Christian, 1972 from Lepomis macrochirus, Texas, scanning electron micrographs. (A) Posterior end of male with distinct ventral longitudinal precloacal cuticular ridges, lateral view; (B) posterior part of male tail, ventrolateral view (arrow indicates phasmid); (C) precloacal cuticular ridges, ventral view; (D) female tail, lateral view. (p) phasmid; (s) anus; (v) median caudal protuberance.