Ceratophysella Börner, 1932

Palacios-Vargas, J. G. & Bocanegra, Thalia, 2012, A new species of Ceratophysella from Peru (Collembola: Hypogastruridae), Revue suisse de Zoologie 119 (4), pp. 417-423 : 418

Ceratophysella Börner, 1932

TYPE SPECIES: Podura armata Nicolet, 1841

DIAGNOSIS: Well pigmented Hypogastruridae of medium size. Setae differentiated in smooth microsetae or barbulate macrosetae. Seta m2 on Th. II usually absent. Chaetotaxy of type “A” or “B”. Anal spines strong and on anal papillae. 8+8 eyes present. PAO with 4 lobes, the anterior lobes larger, about twice the size of one ommatidium. Ant. IV usually with simple apical bulb and 4-8 dorsal sensilla, ventrally with or without sensory file. Between Ant. III and IV often an eversible sac present. The tenent hairs almost always acuminate. Ungues with inner tooth and up to two lateral teeth on each side. Empodial appendix with broad basal lamella and terminal filament reaching half the inner edge of ungues. Ventral tube with 4+4 setae. Retinaculum with 4 + 4 teeth. Furcula well developed, dens with 6-7 posterior setae. Mucro spoon-shaped, with a high triangular flap on outer lamella.