Pectenobunus paraguayensis ( Canestrini, 1888 )

Tourinho-Davis, Ana Lúcia, 2004, The third South American species of the genus Pectenobunus Roewer, with a new synonymy for the genus (Opiliones, Eupnoi, Sclerosomatidae, Gagrellinae), Zootaxa 405 (1), pp. 1-16 : 11

Pectenobunus paraguayensis ( Canestrini, 1888)

( Figs. 8 , 12–13, 15 )

Opilio paraguayensis Canestrini, 1888: 105–106 .

Pectenobunus paraguayensis Roewer, 1910: 157 ; 1923: 1062–1064; 1953: 185; Ringuelet 1954: 279; 1959: 237–240; Capocasale 1967: 28–31; Cokendolpher & Hunt 1993: 2.

Material Examined: PARAGUAY: Rio Apa : 2 ♂ 5 ♀ SMF R II/5918/422; San Bernardino : 3 ( ♂, ♀) SMF R I/4/573. URUGUAY: Colonia: 1 ♂ MNRJ 5518 leg. C. Carbonell.

Emended diagnosis: Eye mound armed with three or more relatively long spines. Abdominal scute with two small projections (lateral view). Femoral formula: 0/0­2/0/0. Body yellowish­brown. Carapace, second prosomatic tergite, abdominal scute and free tergites with black spots. Shaft of penis almost twice as long as winglets.

Description and other figures. See Capocasale (1967).

Figures

FIGURES 6–9. Fig. 6. P. colliculosus (Roewer). Male (SMF RII/346/144). 6, right pedipalp, lateral view. Scale bar = 1.0 mm. Figs 7–9. Schematic view of Pectenobunus species showing (by the arrows) the armature of the eye mound and the variation in protuberances on the abdominal scute. 7–7a, P. colliculosus; 8–8a, P. paraguayensis; 9–9a, P. ruricola, protuberance indicated by the arrow.

FIGURES 10–15. Figures 10–11, 14. P. colliculosus. Male (SMF RII/346/144), Penis, 10, ventral view; 11. lateral view; 14, anterior half, ventral view. Figures 12–13,15. P. paraguayensis. Male, (SMF R I/4/573), penis, 12, ventral view; 13, lateral view; 15 anterior half, ventral view. Scale bars = 0.5 mm for Figs 10–11, 12–13; = 0.25 mm for Figs. 14–15.