FIGURES 20–29 in Five new eyed species of Sinella (Collembola: Entomobryidae) from China, with a key to the eyed species of the genus

FIGURES 20–29. Sinella yui sp. nov.: 20, lateral process of labial palp; 21, maxillary outer lobe; 22, chaetae on ventral side of head; 23, dorsal cephalic chaetotaxy; 24, trochanteral organ; 25, hind claw; 26, anterior face and lateral flap of ventral tube; 27, posterior face of ventral tube; 28, manubrial plaque; 29, mucro.