Phonotimpus schulzefenai ( Chamberlin & Ivie, 1936 ) Chamé-Vázquez & Campuzano & Ibarra-Núñez, 2021

Chamé-Vázquez, David, Campuzano, Emmanuel F. & Ibarra-Núñez, Guillermo, 2021, A new species of the genus Phonotimpus Gertsch & Davis (Araneae: Phrurolithidae) from Mexico and the transfer of Gosiphrurus schulzefenai Chamberlin & Ivie to Phonotimpus, Zootaxa 4938 (5), pp. 571-580 : 575-578

Phonotimpus schulzefenai ( Chamberlin & Ivie, 1936) , comb. nov.

Figures 3–4

Gosiphrurus schulzefenai Chamberlin & Ivie, 1936: 14 , pl. 2, fig. 15–16

Material examined. 2♀, 1♂: MEXICO: Ciudad de Mexico,without collector name, date collected, collecting method nor habitat ( CNAN 9164 ) . 1♂: Estado de Mexico: Municipio de Coatepec Harinas, Coatepec Harinas (18°56’15.7”N, 99°45’31.3”W, 2288m a.sl.), 14 Aug. 2010, in leaf litter of pine-oak forest, pit-fall trap, leg. E.F. Campuzano, A. García, M. Desales ( ECOTAAR-000427 ) ; 3♀: same data except 19 Sep. 2010 ( ECOTAAR-000428 , -000429, -000430) ; 3♀: same data except 18°55’19.8”N, 99°45’23.7”W, 2153m a.s.l., 14 Aug. 2010 ( ECOTAAR-000431 , -000432, -000433) ; 3♀: same data except 19 Sep. 2010 ( ECOTAAR-000434 , -000435, -000436) ; 1♀: same data except 16 Oct. 2010 ( ECOTAAR-000437 ) ; 1♀: same data except 20 Nov. 2010 ( AMNH) .

Diagnosis. Phonotimpus schulzefenai comb. nov. resemble P. marialuisae and P. padillai sp. nov. females by having wide copulatory duct chambers, spermathecae located posterior to the copulatory openings, male palpal femur with a deep retrolateral femoral groove associated with a distinct femoral apophysis, RTA in ectal view not tapering from its base, embolus tip retrolaterally directed, embolar basal process sigmoidal, conductor rhomboidal and spur-like, distal tegular apophysis dorsal to conductor ( Figs 4 F–G). Females of P. schulzefenai comb. nov. differ from those species by having the copulatory opening situated in the anterior half of the epigynal plate ( Figs 3 E–H), copulatory duct chamber smaller than the spermathecae, copulatory duct chamber assemblage as wide as long, bursae and spermathecae arising posteriorly to the copulatory duct chamber, spermathecae touching each other throughout their length ( Figs 3 E–H); males differ by having the RTA greatly enlarged before the apex and the DTA markedly curved ( Fig. 4D ). Additionally, P. schulzefenai comb. nov. differ from P. padillai sp. nov. by having the embolus tip spur-like ( Figs 4 A–B, F–G).

Description. Male (CNAN 9164). Carapace light-brown,, thoracic region bordered with thin black line; chelicerae, labium, endites, sternum and legs paler than carapace. Dorsum of opisthosoma gray, with black pattern with four diffuse chevrons; dorsal scutum light-brown; venter surrounded with black, center pale yellow, with two longitudinal dark-brown bands ( Figs 3 A–B). Total length 1.97; carapace 0.87 long, 0.78 wide; opisthosoma 1.10 long, 0.75 wide. Carapace pear-shaped and fovea longitudinal. AER almost straight and PER recurved. Eye sizes and interdistances:AME 0.06, ALE 0.07, PME 0.05, PLE 0.07, AME-AME 0.03, AME-ALE touching, PME-PME 0.06, PME-PLE 0.02, ALE-PLE 0.04, MOA 0.13 long, front width 0.13, back width 0.16. Clypeus height 0.08. Chelicerae with 3 promarginal and 2 retromarginal teeth; paturon with two frontal spines. Labium wider than long (0.13/0.10); endites longer than wide (0.24/0.19), sternum as long as wide (0.53/0.53). Opisthosoma oval, dorsal scutum covering 3/4 of opisthosoma length; post-epigastric scutum covering roughly 1/3 of opisthosoma length (arrow in Fig. 3B ). Leg measurements: I 2.82 (0.79, 0.30, 0.71, 0.67, 0.35), II 2.38 (0.67, 0.28, 0.51, 0.56, 0.36), III 2.24 (0.59, 0.26, 0.44, 0.57, 0.38), IV 3.11 (0.83, 0.31, 0.67, 0.81, 0.49). Leg spination: femur I p0-0-2; II–IV d1-0-0; tibia I v4-4-4; II v4-4-2; metatarsus I v4-2-1, II v4-1-1. Pedipalpus: femur with deep retrolateral groove associated with femoral apophysis and distal cluster of setae on prolateral side ( Figs 4 D–E), spination d0-0-1. In retrolateral view, basal half of RTA same width, distal half notably widened, then narrowing to rounded tip; DTA more slender than RTA, tapering and strongly curved ( Fig. 4D ). In dorsal view, DTA evenly curved to mesal side, with tip lying in conspicuous groove on cymbium ( Fig. 4C ); in ventral view, RTA narrow and straight; tegulum protruding proximally ( Fig. 4A ); embolus with broad base, tapering and curved, pointing to ectal side; embolar basal process sigmoid, wrinkled, slightly shorter than embolus; conductor rhomboid, membranous ( Fig. 4B ); tegulum with distal, spur-like apophysis dorsal to conductor ( Figs 4 F–G), covered by conductor in ventral view ( Fig. 4B ).

Female (CNAN 9164). Coloration as in male, except for distinct chevrons on dorsum of opisthosoma ( Fig. 3C ). Total length 2.31; carapace 1.07 long, 0.91 wide; opisthosoma 1.23 long, 0.83 wide. Carapace, AER and PER as in male. Eye sizes and interdistances: AME 0.06, ALE 0.07, PME 0.05, PLE 0.07. AME-AME 0.03, AME-ALE touching, PME-PME 0.05, PME-PLE 0.03, ALE-PLE 0.06, MOA 0.16 long, front width 0.14, back width 0.16. Clypeus height 0.09. Cheliceral teeth and spines on paturon as in male. Labium wider than long (0.16/0.12); endites longer than wide (0.30/0.23), sternum longer than wide (0.67/0.54). Opisthosoma oval, dorsal scutum covering roughly half of opisthosoma length. Leg measurements: I 3.43 (0.95, 0.39, 0.90, 0.80, 0.39), II 2.88 (0.80, 0.34, 0.66, 0.67, 0.41), III 2.57 (0.70, 0.30, 0.50, 0.67, 0.40), IV 3.79 (1.01, 0.37, 0.85, 1.00, 0.56). Leg spination as in male, except femur II p0-0-1. Pedipalpus with ventral patch of setae on tarsus, spination: femur d0-0-1, patella p1-0-0, tibia d1- 0-1, p1-0-0. Epigynum with copulatory opening in anterior half of epigynal plate ( Figs 3 E–H). Vulva with globular, fused CDC ( Figs 3 G–H); long arc-shaped bursae arise from posterior side of CDC and encircle CDC assemblage, spermathecae kidney-shaped, contiguous throughout their length, smaller than bursae; fertilization ducts located in middle of spermathecae ( Figs 3 G–H).

Variation. Second male with total length 1.85, carapace 0.87 long, 0.70 wide. Females (n=13) total length 1.91–2.60, carapace 0.84–1.07 long, 0.68–0.88 wide, dorsal scutum covers from 1/3 to 1/2 of opisthosoma. Tibiae or metatarsi of forelegs of both sexes usually with one, or rarely two missing spines.

Natural history. Inhabitant in leaf litter of pine-oak forests.

Distribution. MEXICO: Guerrero ( Chamberlin & Ivie 1936), State of Mexico and Mexico City ( Fig. 5 ).

Figures

FIGURE 3. Phonotimpus schulzefenai comb. nov. A, male habitus, dorsal; B, same, ventral, arrow points to post-epigastric scutum; C. female habitus, dorsal; D, same, ventral; E, epigynum, ventral; F, same cleared; G, epigynum cleared, dorsal; H, same, illustration; I, female holotype habitus, dorsal; J, same, ventral (I and J, photos kindly provided by Jason Dunlop, Museum für Naturkunde). Scale bars: A–D = 0.5 mm; E–H = 0.1 mm.

FIGURE 4. Phonotimpus schulzefenai comb. nov. A, male pedipalpus, ventral; B, detail of the copulatory bulb, ventral; C, cymbium, dorsal, arrow points to cymbial groove; D, femur, patella and tibia, retrolateral; E, femur, ventral; F, dissected copulatory bulb, dorsal; G, detail of the copulatory bulb, dorsal. Scale bars: A, C–F = 0.1 mm; B, G = 0.05 mm.

FIGURE 5. Known distribution of Phonotimpus species (Phrurolithidae): blue triangle, P. eutypus; yellow square, P. separatus; gray circles, P. schulzefenai comb. nov.; green pentagon, P. marialuisae; red star, P. padillai sp. nov.; purple cross, P. pennimani; black diamond, P. talquian.