Urupuyu edwardsi, Ruiz, Gustavo R. S. & Maddison, Wayne P., 2015

Ruiz, Gustavo R. S. & Maddison, Wayne P., 2015, The new Andean jumping spider genus Urupuyu and its placement within a revised classification of the Amycoida (Araneae: Salticidae), Zootaxa 4040 (3), pp. 251-279 : 258-260

Urupuyu edwardsi sp. nov.

Figs 4–5 , 27–31 , 35

Types: male holotype and female paratype from Vinillos, Napo, Ecuador (near Cosanga, 0.6025°S, 77.8508°W, 2080 m elev.),

29–30.X.2010, W. & D. Maddison, M. Vega & M. Reyes (WPM#10-036), deposited in QCAZ, temporarily held at the

UBC-SEM.

Additional material examined: ECUADOR: Napo: Vinillos (0.6025°S, 77.8508°W, 2080 m elev., near Cosanga): 1 male, 29–30.X.2010, W. & D. Maddison, M. Vega, M. Reyes (WPM#10-036). Reserva Ecológica Antisana , Sendero Jumandy (0.6245°S, 77.8402°W, 2260 m elev.): 2 males, 29.X.2010, W. & D. Maddison & M. Reyes (UBC-SEM).

Etymology: This attractive species is named in honour of G.B. Edwards, to recognize his important contributions to our understanding of salticids of the Americas.

Diagnosis: Males of U. edwardsi are similar to U. occidentale sp. nov. in having an acute projection on the ventral lobe of the RTA, which is longer in U. edwardsi ( Figs 28 , 33 ). Females differ from those of U. antisana in having copulation openings parallel to the body axis ( Fig. 30 ). In the northern localities east of Quito, U. edwardsi is easily distinguished from U. antisana by having yellow rather than dark brown legs ( Figs 1–5 ).

Description: Male (holotype): Total length: 2.90. Carapace dark brown, 1.35 long, 0.92 wide, 0.70 high. Ocular quadrangle 0.65 long. Anterior eye row 0.90 wide and posterior 0.85 wide. Sternum, labium, endite and chelicera dark brown. Palp dark brown, tibia with a wide RTA forming a hook dorsally and bearing an acute projection retrolaterally, and an acute RvTA; embolus fixed to the tegulum and curling around it, with a median blunt projection lying in a pit of the prolateral side of tegulum ( Figs 27–29 ). Legs yellow, except for entire femora I–IV and proventral tibiae and metatarsi I–II, dark brown. Length of femur I: 1.00, II: 0.60, III: 0.55, IV: 0.70; patella + tibia I: 1.30, II: 0.75, III: 0.57, IV: 0.75; metatarsus + tarsus I: 0.90, II: 0.60, III: 0.57, IV: 0.67. Leg spination: femur I d0-1-0, II–III d0-1-1, IV d1-1-1; patella I–IV 0; tibia I v1 r-2-0, II v0-1r-0, III–IV r0-1-0; metatarsus I v1 r-2, II v1 r-1p, III–IV p0-1, r0-1, v0- 1 p. Abdomen light brown with chevrons on posterior half. Spinnerets dark brown.

Female (paratype): Total length: 2.60. Carapace dark brown, 1.30 long, 0.92 wide, 0.62 high. Ocular quadrangle 0.65 long. Anterior eye row 0.90 wide and posterior 0.90 wide. Sternum, labium, endite and chelicera dark brown. Palp and legs yellow, except for a dark brown mark on distal fourth of retrolateral femur IV. Length of femur I: 0.65, II: 0.55, III: 0.50, IV: 0.70; patella + tibia I: 0.75, II: 0.62, III: 0.55, IV: 0.75; metatarsus + tarsus I: 0.55, II: 0.47, III: 0.52, IV: 0.60. Leg spination: femur I–II 0, III d0-1-1 or 0-0-1, IV d0-1-0; patella I–IV 0; tibia I v1 r-2-0, II v0-1r-0, III–IV 0; metatarsus I–II v2-2, III p0-1, r0, v0, IV p0-1, r0-1, v1 p-0 or v0- 1 p. Abdomen dark brown. Epigyne with small U-shaped copulation openings forming an atrium; copulation ducts begin as wide chambers and extend backwards, fold at the center, extend anteriorly and connect to small spermathecae, from which fertilization ducts emerge ( Figs 30–31 ).

Distribution. Known only from Napo, Ecuador ( Fig. 35 ).

Figures

FIGURES 1 – 5. Urupuyu spp. U. antisana: 1 male from Papallacta; 2 female from Papallacta; 3 female from Sendero Jumandy. U. edwardsi: 4 male; 5 same, sitting on fern leaf. Figs 1 - 5 © 2015 W. Maddison, released under a Creative Commons Attribution (CC-BY) 3.0 license.

FIGURES 27 – 31. Urupuyu edwardsi: 27 male left palp, ventral view; 28 same, palpal tibia, retrolateral view; 29 same, dorsal view; 30 epigyne, ventral view; 31 same, cleared, dorsal view (arrow indicates initial portion of copulation duct dilated as a chamber).

FIGURES 32 – 35. Urupuyu occidentale: 32 male left palp, ventral view; 33 same, palpal tibia, retrolateral view; 34 same, dorsal view; Urupuyu spp: 35 distributional records in Ecuador.