Novalena sinaloa, Maya-Morales, Julieta & Jiménez, María Luisa, 2017

Maya-Morales, Julieta & Jiménez, María Luisa, 2017, Revision of the funnel-web spider genus Novalena (Araneae: Agelenidae), Zootaxa 4262 (1), pp. 1-88 : 74-75

Novalena sinaloa new species

Figure 40 d–f; Map 3

Type. Holotype female: MEXICO: Sinaloa : E Villa Unión, 25.VIII.1965, W.J. Gertsch and R. Hastings, deposited at AMNH .

Etymology. The specific name is a noun in apposition taken from the type locality.

Diagnosis. Novalena sinaloa differs from all species in having a hexagonal-shaped atrium ( Fig. 40 d).

Description. Female (holotype): Carapace light brown. Chelicerae and condyles dark brown. Endites and labium light brown with white tips. Sternum orange with border brown. Legs orange; metatarsus brown. Three black rings on femur, one on patella, and two on tibia. Opisthosoma orange with a red anterior spot, lateral and ventral brown spots, and foliage. ALS orange, PMS and PLS yellow, basal segment of PLS with diffuse black spots. Total length 7.13. Carapace length 3.13, width 1.75, cephalic region width 1.29, ocular region width 0.57. Eye diameter: AME 0.1, ALE and PLE 0.17, PME 0.15. Distance between eyes: AME-AME 0.08, AME-ALE 0.06, AME-PME 0.17, ALE-PLE 0.04, ALE-ALE 0.27, PME-PME 0.1, PME-PLE 0.08. Clypeus height 0.12. Chelicerae with three retromarginal teeth; basal segment length 1.15, fang length 0.42. Labium slightly wider than long (0.39/0.36). Endites almost straight (distance at their base compared at their tips 0.39/0.24). Sternum longer than wide (1.43/1.14). Opisthosoma longer than wide (4.25/2.63). ALS separated by less their basal diameter (0.19/ 0.29), PLS with distal segment slightly longer than basal segment (0.52/0.48). Leg lengths: I—femur 2.14/ patellatibia 2.62/ metatarsus 1.86/ tarsus 1.29; II—2.05/ 2.14/ 1.76/ 1.19; III—1.95/ 2.24/ 1.95/ 1.1; IV—2.43/ 3.05/ 2.76/ 1.81. Spination: femur dorsal I—1-1 -1/ II—1-1 -3/ III—1-2 -3/ IV—1-1 -2; patella I—dorsal 1-1/ prolateral 1/ retrolateral 0; II—1-1 / 1/ 0; III—1-1 / 1/ 1; IV—1-1 / 1/ 1; tibia I—dorsal 0/ ventral 2-2-2/ prolateral 1-1-0/ retrolateral 0; II—0/ 2-2-2/ 1-1-0/ 0; III—2-1 -2/ 2-2-2/ 0-1-1/ 0-1-1; IV—1-1 -0/ 1-1-2/ 1-1-0/ 1-1-0; metatarsus I— 0/ 2-2-2/ 1-1-0/ 0; II—0-0-1/ 2-2-2/ 0-1-1/ 0; III—2-2 -2/ 2-2-2/ 0-1-1/ 0-1-1; IV—3-2 -2/ 2-2-2/ 1-1-1/ 1-1-1. Number of trichobothria: I—6, II—5, III—6, IV—6. Dorsal spines on pedipalp femur: 3. Prolateral spines on tibia: 1-2. Epigynal plate wider than long (0.85/0.55); atrium superficial and hexagon-shaped; anterior hyaline spurs separated by more their basal width ( Fig. 40 d, f). Internal genitalia: copulatory ducts straight, primary spermathecae adjacent ( Fig. 40 e).

Male. Unknown.

Distribution. MEXICO: Sinaloa (Map 3).

Figures

FIGURE 40. Novalena spp.: a – c, Novalena saltoensis sp. nov.; d – f, Novalena sinaloa sp. nov. a, d, epigynum, ventral view; b, e, internal genitalia, dorsal view; c, f, epigynum, posterior view. Abbreviations: A, atrium; CD, copulatory ducts; CO, copulatory openings; FD, fertilization ducts; S, spurs; S 1, primary spermathecae; S 2, secondary spermathecae. Scale bars: 0.25 mm.