Agalenocosa tricuspidata (Tullgren) Tullgren, 2014

Piacentini, Luis N., 2014, A taxonomic review of the wolf spider genus Agalenocosa Mello-Leitão (Araneae, Lycosidae), Zootaxa 3790 (1), pp. 1-35 : 7-11

Agalenocosa tricuspidata (Tullgren) comb. nov.

( Figs 8 c, 11, 12, 24b, 25)

Pardosa tricuspidata Tullgren, 1905: 67 , pl. 8, f. 33; female holotype from Argentina, Jujuy, La Quinta, Nordenskiöld coll., deposited in Swedish Museum of Natural History (Stockholm, Sweden), examined.

Other material examined. ARGENTINA: Jujuy: Parque Nacional Calilegua, Alisal, altura km. 21 de la ruta provincial Nº 83, 23°41’08.2” S, 64°53’02.1”W (WGS84), elev. 1508m (GPS), Andía, J. M., 12. viii.2010, 1 ♀ (MACN-Ar 26941); same data, 1 ♂ (MACN-Ar 26946); same data, 1 ♀ (MACN-Ar 26952); same data, 1 ♀ (MACN-Ar 26940); same data, 1 ♂ (MACN-Ar 26942); same data, 2 ♂ 8 ♀ (MACN-Ar 26951); Monolito, S 23º40´52.3´´ W 064º54´05.1´´ (+/- 13m, WGS84), elev. 1709 m (GPS), Grismado, C., Izquierdo, M., Labarque, F., Rubio, G., Burger, M., Michalik, P., Carrera, P., Ojanguren A. & Mattoni, C., 06–11. xii.2008, 1 ♀ one eggsac (MACN-Ar 28489); same data, 1 ♂ 1 ♀ 1 immature (MACN-Ar 28487); same locality, Izquierdo, M., Zapata, L. & Akmentis, M., 27–31.i.2009, night hand collecting, 1 ♀ one eggsac (MACN-Ar 27503); same data, 1 ♀ (MACN- Ar 27513); Monolito, Arroyo Tres Cruces, cerca de Mesada de las colmenas, Grismado, C., Izquierdo, M., Labarque, F., Rubio, G., Burger, M., Michalik, P., Carrera, P., Ojanguren, A. & Mattoni, C., 06–11. xii.2008, 1 ♂ 4 ♀ 4 immatures 2 eggsacs (MACN-Ar 28488); Mesada Las Colmenas, Ramírez, M. J. & Compagnucci, L., 08. viii.1997, 1 ♀ (MACN-Ar 22734); toma de agua, 2 km arriba de Mesada Las Colmenas, 09. viii.1997, 2 ♀ (MACN-Ar 22735); same data, 2 ♀ (MACN-Ar 22738); cerca de Sevenguillar, 3 km arriba de Mesada Las Colmenas, Ramírez, M. J. & Compagnucci, L., 07. viii.1997, 1 ♀ (MACN-Ar 22736); Cerca de Monolito, Ramírez, M. J. & Compagnucci, L., 09. viii.1997, 1 ♀ (MACN-Ar 22737); 11,3 km arriba de entrada al parque, Ramírez, M. J., Goloboff, P. A. & Szumik, C., 23. ix.1995, 2 ♀ (MACN-Ar 22739); Camino Valle Grande-Calilegua, Monolito, Galiano, M. E., xi.1967, 1 ♀ (MACN-Ar 22755); Mesada de las Colmenas, ribera y lecho del arroyo Negrito S 23º42´38,9´´ W 064º51´49,9´´ (WGS84), elev. 802m (GPS), Andía, J. M., 10. viii.2010, 1 ♀ (MACN-Ar 26947); same data, 5 ♂ 5 ♀ 4 immature (MACN-Ar 26953); P. N. Calilegua, Mesada de las Colmenas, sendero el Negrito (ambos márgenes) S 23º42´01,1´´ W 064º51´59,1´´ (WGS84), elev. 1135m (GPS), Andía, J. M., 11. viii.2010, 1 ♂ 1 immature (MACN-Ar 26945); 19,7 km arriba de entrada al parque, Ramírez, M. J., Goloboff, P. A. & Szumik, C., 23. ix.1995, 2 ♂ 4 ♀ (MACN-Ar 22710); San Antonio, Casal, G., xi.1965, 3 ♀ (MACN-Ar 22748); Yala, Maury E., x.1967, 1 ♀ (MACN-Ar 6022): same locality, Roig, A., 09. i.1983, 2 ♀ (MACN-Ar 22780); same locality, Roig, A. 07. i.1983, 7 ♂ 1 ♀ 1 eggsac (MACN-Ar 22751); Laguna de Yala, Goloboff, P. A., v.1983, 1 ♂ 3 ♀ (MACN-Ar 22717). Salta: P. N. El Rey, Galiano, M. E., 14. xi.1966, 1 ♂ 1 immature (MACN-Ar 22712); same data, 2 ♂ 2 ♀ 1 immature (MACN-Ar 22722); same data, 4 ♀ (MACN-Ar 22731); same locality, Goloboff, P. A., i.1981, 1 ♀ (MACN-Ar 22771); Finca Jakulica, 25 NW Aguas Blancas, Ramírez, M. J. & Goloboff, P. A., 15. xi.1994, 1 ♂ 2 ♀ (MACN-Ar 22740); San Lorenzo, camino a ciudad de Salta, Ramírez, M. J. & Goloboff, P. A., 18. vii.1995, 3 ♀ (MACN-Ar 22742); Camino Calilegua a Valle Grande, Galiano, M. E, xi.1966, 2 ♀ 2 eggsacs (MACN-Ar 22754); Ojo de Agua, ruta nacional 9 km 1640–1642. límite con Jujuy, Ramírez, M. J., Goloboff, P. A. & Szumik, C., 22. ix.1995, 1 ♀ (MACN-Ar 22767); San Lorenzo, 22. ix.1988, 1 ♀ (MACN-Ar 22789); 17km N. La Caldera, 1550m, Alto de la Sierra, 2–30.xii.1987, S&J Peck, subtrop. humid for., malaise FIT 87–134, 1 ♀ ( AMNH); same data, 1 ♀ ( AMNH). Tucumán: Cuesta de San Javier, Birabén, M., xi.1960, 2 ♀ (MACN-Ar 22761); Tafí del Valle, Galiano, M. E., xi.1960, 1 ♀ (MACN-Ar 5342). Catamarca: Viana, J. M., vii.1949, 1 ♀ (MACN-Ar 2946).

Diagnosis. Males and females of A. tricuspidata resemble these of A. pirity sp. nov. in the size and coloration pattern. The submarginal pale, undulating bands of the carapace ( Fig. 11 ) help to recognize well-preserved specimens of A. tricuspidata as these bands are absent in all other species of Agalenocosa . Males of A. tricuspidata differ in the broad terminal apophysis ( Fig. 12 d). Females have a large and oval head of spermathecae, as in A. pirity sp. nov., but can be differentiated by the position of the vulval chamber lateral to the head of spermathecae ( Fig. 12 b), not ventral as in A. pirity sp. nov.

Description. Male (MACN-Ar 22946). Carapace brown with a light brown median band with a conspicuous Y-shaped dark mark that extends from the fovea to the PLE and pale submarginal bands with irregular margins ( Fig. 11 ). Sternum yellow, sparsely covered with brown bristles, more abundant on the margins. Labium dark grey. Chelicerae lighter than labium, light brown, covered with brown bristles. Dorsum of abdomen brown with small longitudinal irregular pairs of pale marks on the center, and two pale longitudinal margins at sides ( Fig. 11 ). Venter pale brown with irregular darker marks. Legs pale brown with dark annulations. Leg formula IV> I> III> II.

Spination: femur I p 0-0-d1 d 1-1-1 r d1-0-d1, II p d1-0-d1 d 1-1-1 r d1-0-d1, III p d1-0-d1 d 1-1-1 r d1-0- d1, IV p d1-0-d1 d 1-1-1 r 0-0-d1; patella II p 1, III p 1 r 1, IV p 1 r 1; tibia I p 0-0-v1 v 2-2 -0, II p d1-1 r 0-0- 1 v r1-2-0, III p 1-1 d 1-0 r 0-1- 1 v p2-2-2ap, IV p 1-1 d 0-1 r 1-1 v 2-2 -2ap; metatarsus I v 2-2 -2ap, II p 1-0-2ap r 1-0-2ap v 2-2 -1ap, III p 1-0-2ap r 1-0-2ap v 2-2 -1ap, IV p 1-0-2ap r 1-0-2ap v 2-2 -1ap.

Palp. Basal apophysis of the palpal tibia rounded, medium sized ( Fig. 8 c). Subtegulum in the meso-prolateral side of the alveolus ( Fig. 12 d). Tegulum with a deep prolateral furrow ( Figs 12 c–e).Ventral branch of the median apophysis broad, with a semicircular distal margin, and the dorsal branch triangular, with the tip pointing to the retrolateral side ( Fig. 12 d). Terminal apophysis broad and retrolaterally pointed ( Fig. 12 d).

Female (MACN-Ar 26940). Colour in alcohol ( Fig. 11 ) as in male. Leg formula IV> I> III> II.

Spination: femur I p 0-0-d1 d 1-1-1, II p d1-0-d1 d 1-1-1 r d1-0-d1, III p d1-0-d1 d 1-1-1 r d1-0-d1, IV p d1- 0-d1 d 1-1-1 r 0-0-d1; patella II p 1 d 1-0, III p 1 d 1-1 r 1, IV p 1 d 1-1 r 1; tibia I p 0-0-v1 v 2-2 -0, II p d1-0-1 v 2-2 -0-1ap, III p 1-1 d 1-1 r 1-1 v 2-2 -2ap, IV p 1-1 d 1-1 r 1-1 v 2-2 -2ap; metatarsus I v 2-2-2ap, II p 1-0-2ap r 1-0-1ap v 2-2 -1ap, III p d1-1-2ap r 1-1-2ap v 2-2 -1ap, IV p 1-1-2ap r 1-1-2ap v 2-2 -1ap.

Epigynal plate without pockets or atria, copulatory openings with strongly sclerotised internal margin, and a lightly sclerotised posterior area ( Fig. 12 a). Vulva: head of spermatheca enlarged, wider than the short stalk. Vulval chamber rounded, next to the base of spermathecae in dorsal view ( Fig. 12 b).

Measurements. Female, MACN-Ar 26940 (male, MACN-AR 26946): TL 7.19 (7.32), CL 3.86 (3.86), CW 2.66 (2.66), CH 1.20 (1.46), AL 3.33 (3.46). Eyes: AME 0.13 (0.17), ALE 0.10 (0.13), PME 0.30 (0.30), PLE 0.23 (0.23). Row of eyes: AER 0.70 (0.67), PME 0.83 (0.73), PLE 1.17 (1.00). Sternum (length/width) 2.00/1.47 (2.00/ 1.40). Labium (length/width) 0.73/0.50 (0.63/0.47). Legs: length of segments (femur + patella/tibia + metatarsus + tarsus = total length): I 2.80 + 3.47 + 2.27 + 1.27 = 9.81, II 2.60 + 3.27 + 2.13 + 1.20 = 9.20, III 2.60 + 3.27 + 2.40 + 1.20 = 9.47, IV 3.33 + 4.40 + 3.67 + 1.40 = 12.80 (I 2.73 + 3.40 + 2.40 + 1.27 = 9.8, II 2.47 + 2.93 + 2.27 + 1.20 = 8.87, III 2.47 + 2.93 + 2.40 + 1.20 = 9, IV 3.20 + 4.00 + 3.67 + 1.47 = 12.34).

Variation. Females (males) (range, mean ± s.d.): TL 4.20 – 8.60, 6.81 ± 1.27; CL 2.47 – 4.07, 3.44 ± 0.53; CW 1.73 – 3.00, 2.42 ± 0.46; n = 10; (TL 5.34 – 7.32, 6.29 ± 0.65; CL 2.67 – 3.86, 3.33 ± 0.36; CW 2.00 – 2.67, 2.32 ± 0.23; n = 10).

Distribution. Montane forest (Yungas) in northwestern Argentina (Jujuy, Salta, Tucumán and Catamarca) (Fig. 25).

Natural history. Some specimens were found running on the bank of the El Negrito stream in the Calilegua National Park.

Figures

FIGURE 8. Tibiae of male palps of Agalenocosa Mello-Leitão species, ventral view. a A. velox (Keyserling); b A. luteonigra Mello-Leitão; c A. tricuspidata (Tullgren); d A. punctata Mello-Leitão; e A. pirity sp. nov.; f A. grismadoi sp. nov. Scale bars, 0.20 mm.

FIGURE 11. Agalenocosa tricuspidata (Tullgren), habitus. a – c female; d – f male; a, d dorsal; b, e lateral; c, f ventral. Scale bars, 2.00 mm.

FIGURE 12. Agalenocosa tricuspidata (Tullgren). a epigyne ventral; b vulva, cleared, dorsal; c – e male palp, c prolateral, d ventral, e retrolateral. Scale bars, a, c – e 0.20 mm, b 0.10 mm. Abbreviations: BS base of spermatheca, DB dorsal branch of embolic division, dbMA dorsal branch of median apophysis, DP dictynoid pore, EH embolic hood, EP epigynal plate, FD fertilization ducts, HS head of the spermatheca, PTL prolateral tegular lobe, SS stalk of spermatheca, ST sub tegulum, T tegulum, TA terminal apophysis, VB ventral branch of embolic division, vbMA ventral branch of median apophysis.