FIGURES 51 – 59. 51 in Contribution to the eyed Sinella from China: two new species and additional reports on nine known species (Collembola: Entomobryidae)

FIGURES 51 – 59. 51, labial and post-labial chaetae in S. quinocula; 52 – 54, S. sunae; 52, clypeal chaetae; 53, labial and postlabial chaetae; 54, chaetotaxy of Abd. IV, only two short S-chaetae (as, ps) shown and others unclear; 55 – 56, S. transoculata; 55, hind claw; 56, clypeal chaetae; 57, clypeal chaetae in S. umesaoi; 58 – 59, S. wui; 58, clypeal chaetae; 59, lateral flap of ventral tube