Phonotimpus pennimani, Chamé-Vázquez & Ibarra-Núñez & Jiménez, 2018

Chamé-Vázquez, David, Ibarra-Núñez, Guillermo & Jiménez, Maria Luisa, 2018, Redescription of Phonotimpus separatus Gertsch & Davis, 1940 (Araneae: Phrurolithidae) and description of two new species of Phonotimpus from Mexico, Zootaxa 4407 (2), pp. 213-228 : 216-220

publication ID

https://doi.org/ 10.11646/zootaxa.4407.2.3

publication LSID

lsid:zoobank.org:pub:05D3FE94-1162-48B5-9F5A-C6256A2B2C67

DOI

https://doi.org/10.5281/zenodo.5961029

persistent identifier

https://treatment.plazi.org/id/EF0C3078-3D54-FFF6-FF6D-A31EFBEFFD60

treatment provided by

Plazi

scientific name

Phonotimpus pennimani
status

sp. nov.

Phonotimpus pennimani View in CoL sp. nov.

Figs 2–6 View FIGURE 2 View FIGURE 3 View FIGURE 4 View FIGURE 5 View FIGURE6

Type material. Holotype ♂: MEXICO: Chiapas, Municipio de Cacahoatán, Ejido Alpujarras (15°4'20.76"N, 92°9'57.00"W, 922 m), 21 April 2016, in leaf litter of shade-grown coffee, leg. D. Chamé, E. Chamé, H. Montaño, G. Suárez (ECOTAAR-9000).

Allotype ♀: same data except 15 March 2016 (ECOTAAR-8999).

Paratypes: 1♂, same data except 16 May 2016 ( CNAN-T1214 ) ; 1♀, same data except 22 June 2016 (CNAN- T1213) ; 1♂, 1♀, same data except 16 May 2016 ( AMNH) ; 1♀, same data except 18 May 2016 (CARCIB-205) ; 1♂, same data except 13 March 2017, leg. G. Angulo, D. Chamé, H. Montaño (CARCIB-206) ; 1♀, same data except 13 April 2016, leg. D. Chamé, E. Chamé, H. Montaño, G. Suárez (ECOTAAR-9001) ; 1♂, same data except 16 May 2016 (ECOTAAR-9003) ; 1♀, same data except 20 June 2016 (ECOTAAR-9005) ; 1♂, 1♀, same data except 13 March 2017, leg. G. Angulo, D. Chamé, H. Montaño (ECOTAAR-9006) ; 2♀, 3 juv., same data except 24 March 2014, leg. D. Chamé, H. Montaño, E. Chamé (ECOTAAR-8996) ; 3♀, 1 juv., same data except 12 August 2014 (ECOTAAR-8998).

Etymology. The specific epithet is a patronym in honor of Dr. Andrew J. Penniman ( U.S.A.), who studied the genus Scotinella and improved the knowledge of North American phrurolithids.

Diagnosis. The females of P. pennimani sp. nov. differ from P. eutypus by having two oval atria ( Fig. 5A View FIGURE 5 ) and the dorsal scutum is long and wide ( Fig. 2C View FIGURE 2 ), while P. eutypus has two slit-like atria ( Gertsch & Davis 1940: fig. 27) and the dorsal scutum covers only the base of the opisthosoma. The females of P. pennimani sp. nov. differ from P. separatus by having two large atria, S1 ectal to the CD, FD arising from the posterior part of the S1 ( Figs 5A–D View FIGURE 5 ), the carapace that is almost as wide as long, and the opisthosomal scutum that is wide and long ( Fig. 2C View FIGURE 2 ), while in P. separatus there is only one small atrium, S1 lie posterior to the CD, FD arise from the anterior part of the S1 ( Figs 1E–H View FIGURE1 ), the carapace is slightly longer than wide, and the opisthosomal scutum is narrow and short ( Figs 1A, C View FIGURE1 ). The females of P. pennimani sp. nov. differ from P. talquian sp. nov. by having two shallow epigynal atria ( Fig. 5A View FIGURE 5 ), with the CO visible in ventral view ( Figs 5A, 5C View FIGURE 5 , 6C View FIGURE6 ), oval S1, and by the apparent absence of S2 ( Fig. 5B View FIGURE 5 ), while in P. talquian sp. nov. the epigynal atria are deeper, with the CO not visible in ventral view ( Figs 10A, 10C View FIGURE 10 , 11C View FIGURE 11 ), the S1 are liver-shaped, and by the presence of small S2 ( Figs 10B, 10D View FIGURE 10 ). The males of P. pennimani sp. nov. differ from P. talquian sp. nov. by having a conical RTA with its tip very slender (thread-like, Figs 3A View FIGURE 3 , 4A View FIGURE 4 ), by the shape of the DTA, finger-like when seen dorsally ( Fig. 4B View FIGURE 4 ), and by the C tip widened in ventral view ( Fig. 3B View FIGURE 3 ), while in P. talquian sp. nov. the RTA is tapering but the tip is not thread-like ( Figs 8A View FIGURE 8 , 9A View FIGURE 9 ), DTA in dorsal view is S-shaped ( Figs 9B View FIGURE 9 ), and the C is not noticeably widened distally ( Fig. 8B View FIGURE 8 ).

Description. Male holotype. Carapace and chelicerae yellowish-brown, with dark grey markings, labium, endites and sternum yellowish. Legs yellowish, with sparse dusky mottling. Dorsum of opisthosoma dark grey, with sparse pale-yellow spots and bright brown scutum. Venter pale yellow, bordered laterally with dark grey ( Figs 2A–B View FIGURE 2 ). Total length 2.13; carapace 1.01 long, 0.90 wide; opisthosoma 1.12 long, 0.73 wide. Carapace, AER and PER as in P. separatus , except carapace almost as wide as long. Eye sizes and interdistances: AME 0.07, ALE 0.07, PME 0.05, PLE 0.07. AME-AME 0.02, AME-ALE 0.01, PME-PME 0.08, PME-PLE 0.03, ALE-PLE 0.05. MOA 0.17 long, front width 0.15, back width 0.20. Clypeus height 0.09. Chelicerae with 2 promarginal teeth separated by roughly two times base width of tooth; retromargin with two teeth, proximal tooth slightly larger than distal one. Frontal spines on paturon as in P. separatus . Labium wider than long (0.15/0.11), endites longer than wide (0.33/ 0.21), sternum about as long as wide (0.57/0.58). Opisthosoma oval, with dorsal scutum covering 3/4 of the opisthosoma length. Leg measurements: I 3.87 (1.00, 0.36, 1.06, 0.98, 0.47), II 3.10 (0.84, 0.33, 0.73, 0.74, 0.46), III 2.84 (0.77, 0.30, 0.57, 0.75, 0.45), IV 3.92 (1.03, 0.32, 0.87, 1.08, 0.61). Leg formula 4123. Leg spination: femur I with 2 prolateral spines in distal half; tibia I with 6 pairs of ventral spines; metatarsus I with 4 proventral spines and 3 retroventral spines. Femur II with 1 prolateral spine in distal half; tibia II with 5 pairs of ventral spines; metatarsus II with 4 proventral spines and 3 retroventral spines. Femora without dorsal macrosetae. Tarsal claw pectinate, onychium with pair of dorsal tactile hairs ( Fig. 6D View FIGURE6 ). Tarsal organ capsulate, with oval opening ( Figs 4C–F View FIGURE 4 ). Palpus: femur with one dorso-distal spine, with central, broad and shallow depression on ectal side, with cluster of setae on mesal side ( Figs 3C–D View FIGURE 3 ) and inconspicuous ventral apophysis perceived as slight swelling between the setae and depression ( Fig. 3C View FIGURE 3 ). RTA long and conical, with distal part thread-like, as seen retrolaterally ( Figs 3A View FIGURE 3 , 4A View FIGURE 4 ). DTA tapering in lateral view, with its tip blunt ( Fig. 3A View FIGURE 3 ), finger-like, directed towards ectal side in dorsal view ( Fig. 4B View FIGURE 4 ). Cb with few short and thick setae on dorsal side and longitudinal narrow area without setae in its basal half ( Fig. 4B View FIGURE 4 ). T large, protruding ectally at its proximal side ( Figs 3B View FIGURE 3 , 4A View FIGURE 4 ). E, EBP and C similar in length ( Figs 6A–B View FIGURE6 ). C with its tip widened and covering tips of E and EBP in ventral view ( Fig. 3B View FIGURE 3 ).

Female allotype. Coloration similar to male, except thoracic region bordered with dark grey. Chelicerae yellowish, splattered with dark grey ( Figs 2C–D View FIGURE 2 ). Total length 2.07; carapace 0.96 long, 0.91 wide, opisthosoma 1.11 long, 0.72 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 0.01, PME-PME 0.07, PME-PLE 0.03, ALE-PLE 0.06. MOA 0.17 long, front width 0.14, back width 0.18. Clypeus height 0.09. Cheliceral teeth and frontal spines on paturon as in male. Labium wider than long (0.15/0.10), endites longer than wide (0.27/0.18), sternum as long as wide (0.58/ 0.58). Dorsal scutum as in male. Legs measurements: I 3.77 (0.99, 0.38, 1.05, 0.93, 0.42), II 3.12 (0.83, 0.34, 0.76, 0.74, 0.45), III 2.77 (0.73, 0.31, 0.55, 0.73, 0.45), IV 3.87 (1.00, 0.34, 0.86, 1.06, 0.61). Leg formula and spination as in male. Tarsal claw, onychium and tarsal organ ( Figs 4G–I View FIGURE 4 ) as in male. Palpus: as in female of P. separatus , except tibia with one dorsal and one prolateral spine in its basal half, with small claw with few teeth. Epigynum: with two shallow atria separated by less than diameter of an atrium, depth of each atrium greater at CO, which are visible in ventral view ( Figs 5A, 5C View FIGURE 5 , 6C View FIGURE6 ); B membranous, somewhat kidney-shaped in ventral view ( Figs 5C View FIGURE 5 , 6C View FIGURE6 ). In dorsal view, oval S1 lie ectal to CD; B anterior to CO and slightly larger than S1 ( Figs 5B, 5D View FIGURE 5 ); CD tube-like, slightly curved ( Figs 5B, 5D View FIGURE 5 ); FD arise from mesal-posterior part of S1 ( Fig. 5B View FIGURE 5 ).

Variation. Males (n=5) total length 1.93–2.27; carapace 0.95–0.97 long, 0.86–0.91 wide. The male scutum ranges from occupying roughly 3/5 to 4/5 of opisthosoma length. Females (n=11) total length 2.20–2.73; carapace 0.96–1.06 long, 0.85–0.97 wide. In females, the scutum ranges from almost 1/2 to 2/3 of the opisthosoma. Sometimes the same specimen (male or female) have one more or one less macrosetae on some of the anterior femora or metatarsi or both, but the leg in the opposite side has the number of macrosetae noted in the holotype. Some females have up to three slender white cream chevrons and one caudal spot above the anal tubercle.

Habitat. This species was collected from leaf litter in a shade-grown coffee plantation ( Coffea arabica L.); the trees that provide shade are mostly Inga spp.

Distribution. Known only from the type locality in Chiapas, México ( Fig. 12 View FIGURE 12 ).

AMNH

American Museum of Natural History

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Phrurolithidae

Genus

Phonotimpus

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