Pectenobunus ruricola ( Mello­Leitão, 1933 )

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 : 12-13

Pectenobunus ruricola ( Mello­Leitão, 1933)

( Fig. 16 )

Acropiliops ruricola Mello­Leitão, 1933: 100–103 ; 1938: 319; Soares 1945a: 391–392, 1945b: 194. Pectenobunus ruricola: Cokendolpher & Hunt, 1933: 2–3 .

Material examined: ♂ holotype MNRJ 26911 , Cachoeirinha [125º 26’ S, 54º 02’ W], Paraná, Brazil, Flange de Morretes leg.

Emended diagnosis: Eye mound armed with four relatively short tubercles. Abdominal scute with one very subtle protuberance ( Fig. 9 ), “body with yellow­opalescent spots and deep pits: yellowish­brown with lighter stripe extending length of abdomen, narrowing anterior to eye mound; lateral borders of abdomen with brown to reddish­brown maculations” ( Cokendolpher & Hunt, 1993 in the description of this species). Shaft of penis almost the same length as winglets.

Description and other figures. See Mello­Leitão (1933) and Cokendolpher & Hunt (1993).

Other Gagrellinae examined: BRAZIL: Pernambuco: Jatobá, 2 ♂ 1 ♀ MNRJ 42557, syntypes of Parageaya corderoi ( Mello­Leitão, 1936) , leg E. H. Cordero. Tocantins: Ilha do Bananal, 1 ♂ MNRJ 286, holotype of Parageaya vittata ( Mello­Leitão,1939) . Paraná: São José do Iguaçu 1 ♂ MNRJ 45435, holotype of Holcobunus iguassuensis Mello­Leitão, 1935 . Santa Catarina: Nova Teutônia, 1 ♀ SMF RII/6447/427, holotype of Holcobunus lineatus Roewer, 1953 ; 1 ♀ SMF RII/5915/418, holotype of Prionostemma limbatum Roewer, 1953 . URUGUAY: Montevideo: Punta Gorda, 1 ♀ USNM, holotype of Psammogeaya arenata Mello­Leitão, 1946 .

Figures

FIGURE 16. Western South America showing distribution of the three nominal species of Pectenobunus Roewer. P. paraguayensis (triangles), P. ruricola (square), P. colliculosus (circles). This map includes Paraguay, Uruguay, part of Argentina, Bolivia and Brazil. Dotted lines = countrys and state boundaries, thin lines = rivers.

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.