Phonotimpus sanpedro, Platnick & Chamé-Vázquez & Ibarra-Núñez, 2022

Platnick, Norman I., Chamé-Vázquez, David & Ibarra-Núñez, Guillermo, 2022, The guardstone spiders of the genus Phonotimpus Gertsch & Davis (Araneae: Phrurolithidae) from northeastern Mexico, Zootaxa 5219 (1), pp. 1-48 : 13

Phonotimpus sanpedro sp. nov.

Figures 55–61 , 101–108

Type material. Male holotype from Los San Pedro, Tamaulipas, Mexico (Nov. 21–27, 1988; D. Pate), deposited in AMNH .

Other material examined. MEXICO: Tamaulipas: Cuauhtémoc, Purificación area, elev. 2100–2200 m, Mar. 22, 1988, D. Pate, 1♀ ( AMNH). Ejido Yerbabuena , Mar. 22–24, 1979, T . Treacy, D. Pate, 2♀ ( AMNH). Los San Pedro , surface, Nov. 23–29, 1986, D. Pate, 1♀ ( AMNH). 3.4 km SSE Yerbabuena, surface, Oct. 11–17, 1986, D. Pate, 1♀ ( AMNH) .

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

Diagnosis. This species is close to P. cumbres sp. nov., P. farias sp. nov. and P. perra sp. nov., but males differ by having a retrolateral tibial apophysis longer than dorsal tibial apophysis, and distal border of palpal tibia notched prolaterally ( Figs 56–58 ); females differ by having wider, closely spaced, atria and copulatory openings, and pearshaped spermathecae ( Figs 59–61 ).

Description. Male (holotype): Total length 1.80. Carapace yellow, with dark lateral margins, two wide, paramedian bands of dark maculations, pars thoracica gently sloping, pars cephalica flat; sternum, mouthparts yellow, each cheliceral paturon with two erect bristles near base, median bristle longer, stronger than lateral bristle; abdomen wide, dorsum, sides gray, posterior two-thirds with five white chevrons, most anterior chevron largest, others decreasing in size toward spinnerets, scutum covering more than three-fourths of abdomen length, venter white, with pair of small, dark maculations at about three-fourths of length ( Figs 101–104 ); anterior legs yellow, posterior legs pale yellow, all unmarked. Leg spination: femora: I p0-0-2; II p0-0-1; III, IV d1-0-0; tibiae: I v4-4-4; II v4-4-2; metatarsi I, II v3-2-2.

Palpal femur with retrolateral excavation extending over distal half, patch of spinules on distal, prolateral half; dorsal tibial apophysis long, acuminate ( Fig. 58 ); retrolateral apophysis much stronger, extending about half of cymbial length, acuminate and prolaterally excavated at apex ( Figs 56–58 ); tegulum expanded proximally; prolateral half of embolar base sclerotized, the rest membranous; embolus slightly sclerotized, narrow, short, extending obliquely to distal edge of alveolus, obscured by cymbial setae and embolar basal process, which is as wide as embolar base; conductor short, widened at apex which ends in front of embolus tip ( Fig. 56 ).

Female (Los San Pedro): Total length 2.29. As in male, except dorsal abdominal scutum restricted to cardiac area, posteriorly rounded, where occupying less than one-third of abdomen width ( Figs 105–108 ). Leg spination as in male except femora: I d1-0-0, p0-0-2; II d1-0-0, p0-0-1.

Epigynum wide, with pair of dark, circular, closely spaced copulatory openings, which are on shallow atria, situated medially, just anterior to spermathecae; bursae subtriangular, larger than spermathecae, which are pearshaped, restricted to posterior quarter of epigynal length ( Figs 59–61 ).

Distribution. Known only from the Municipio de Güémez in central Tamaulipas, where it is sympatric with P. cuauhtemoc sp. nov. ( Fig. 339 ).

Figures

FIGURE 339. Northeast Mexico, showing distribution of the Phonotimpus species described in this work.

FIGURES 55–64. 55–61. Phonotimpus sanpedro sp. nov., male (55–58) and female (59–61). 62–64. P. taman sp. nov., female. 55. Left palp, prolateral view. 56. Same, ventral view. 57. Same, retrolateral view. 58. Same, dorsal view. 59, 62. Epigynum, ventral view. 60, 63. Cleared epigynum, ventral view. 61, 64. Same, dorsal view.

FIGURES 85–104. 85–88. Phonotimpus cumbres sp. nov., female. 89–96. P. farias sp. nov., male (89–92) and female (93–96). 97–100. P. perra sp. nov., female. 101–104. P. sanpedro sp. nov., male. 85, 89, 93, 97, 101. Carapace, dorsal view. 87, 91, 95, 99, 103. Same, ventral view. 86, 90, 94, 98, 102. Abdomen, dorsal view. 88, 92, 96, 100, 104. Same, ventral view.

FIGURES 105–121. 105–108. Phonotimpus sanpedro sp. nov., female. 109–112. P. taman sp. nov., female. 113–117. P. eutypus Gertsch & Davis, 1940 male (113–114) and female (115–117). 118–121. P. arcitos sp. nov., male. 105, 109, 115, 118. Carapace, dorsal view. 107, 111, 117, 120. Same, ventral view. 106, 110, 116, 119. Abdomen, dorsal view. 108, 112, 121. Same, ventral view. 113. Habitus, dorsal view. 114. Same, ventral view.