Patelloceto, Lyle & Haddad, 2010

Lyle, Robin & Haddad, Charles R., 2010, A revision of the tracheline sac spider genus Cetonana Strand, 1929 in the Afrotropical Region, with descriptions of two new genera (Araneae Corinnidae), African Invertebrates 51 (2), pp. 321-321 : 372

Key to the species of Patelloceto gen. n.

1 Males ......................................................................................................................2

– Females (♀ of P. denticulata sp. n. unknown).......................................................4

2 Anterior margin of dorsal palpal tibial apophysis more than half dorsal cymbium length; palpal tibia with small finger-like distal retrolateral apophysis ( Fig. 130 ); palpal femur without distal denticles ( Fig. 135 ) ................................ secutor sp. n.

– Anterior margin of dorsal palpal tibial apophysis less than half dorsal cymbium length; palpal tibia without small finger-like distal retrolateral apophysis ( Fig. 140 ); palpal femur with distal denticles ( Fig. 140 ).........................................................3

3 Embolus with post­tegular section forming broad loop, directed prolaterally distally, broader, tapering distally to sharp tip; cymbium with 3 distal ventral spines ( Fig. 140 ) ............................................................................................. denticulata sp. n.

– Embolus with post­tegular section nearly straight in ventral view, directed distally, fine with slightly swollen tip; cymbium with 2 distal ventral spines ( Fig. 143 )...... .............................................................................................................. media sp. n.

4 Lateral epigynal ridges oblique, extending medially along their anterior margin; copulatory openings in same plane as bilobed ST II ( Fig. 136 ); ST I oval, not reaching epigastric fold ( Fig. 137 ).................................................................... secutor sp. n.

– Lateral epigynal ridges ending abruptly and not extended medially along their anterior margin; copulatory openings placed anterior of simple oval ST II ( Fig. 144 ); ST I teardrop shaped, extending to epigastric fold ( Fig. 145 ) ............. media sp. n.

Figures

Figs 123–131. Scanning electron micrographs of Patelloceto secutor sp. n. male (123–130) and female (131): (123) tibia I, cusp arrangement; (124) metatarsus I, cusp arrangement; (125) tarsus I, cusp arrangement;(126) tibia II, cusp arrangement; (127) metatarsus II, cusp arrangement; (128) tarsus II, cusp arrangement;(129) individual leg cusp on tibia II; (130) right palp, prolateral view; (131) epigyne, ventral view.

Figs 132–137. Patelloceto secutor sp. n. male (132–135) and female (136–137): (132) schematic representation on cusp arrangement on legs I and II; (133) left palp, prolateral view; (134) left palp, ventral view; (135) left palp, retrolateral view; (136) epigyne, ventral view; (137) vulva, dorsal view. Scale bars (133–137) = 0.1 mm.

Figs 138–140. Patelloceto denticulata sp. n. male: (138) schematic representation of cusp arrangement on legs I and II; (139) left palp, ventral view; (140) left palp, retrolateral view. Scale bar (139, 140) = 0.1 mm.

Figs 141–145.Patelloceto media sp. n. male (141–143) and female (144–145): (141) schematic representation on cusp arrangement on legs I and II; (142)left palp, ventral view; (143) left palp, retrolateral view; (144) epigyne, ventral view; (145) vulva, dorsal view. Scale bars (142–145) = 0.1 mm.