Hemirrhagus franckei, Mendoza Marroquín, 2014

Mendoza Marroquín, Jorge I., 2014, Taxonomic revision of Hemirrhagus Simon, 1903 (Araneae: Theraphosidae, Theraphosinae), with description of five new species from Mexico, Zoological Journal of the Linnean Society (Zool. J. Linn. Soc.) 170 (4), pp. 634-689 : 674-678

publication ID

https://doi.org/ 10.1111/zoj.12112

publication LSID

lsid:zoobank.org:pub:7BA11142-CBC1-4026-A578-EBAB6D2B6C0C

persistent identifier

https://treatment.plazi.org/id/03E087B4-5642-FFF2-FC7B-4F09B6B51444

treatment provided by

Marcus

scientific name

Hemirrhagus franckei
status

sp. nov.

HEMIRRHAGUS FRANCKEI View in CoL SP. NOV.

( FIGS 1L View Figure 1 , 2E View Figure 2 , 39A–L View Figure 39 , 40A–D View Figure 40 , 41A–I View Figure 41 , 49 View Figure 49 )

Type material: Holotype ♂ CNAN-T0776 , MEXICO: Oaxaca, Mpio. Huautla de Jímenez, 4 km west of Puerto de la Soledad, 10.xii.2011, col. J. Mendoza, G. Contreras, E. Hijmensen and E. Goyer; paratype ♀ CNAN-T0777 , MEXICO: Oaxaca, Mpio. Huautla de Jímenez , 4 km west of Puerto de la Soledad , 11.ix.2010, col. O. Francke, A. Valdez, J. Cruz and D. Barrales; paratype ♀ CNAN-T0778 , MEXICO: Oaxaca, Mpio. Huautla de Jímenez , 4 km west of Puerto de la Soledad , 10.xii.2011, col. J. Mendoza, G. Contreras, E. Hijmensen and E. Goyer.

Additional material examined: 1 ♂ immature CNAN- 3487, MEXICO: Oaxaca, Mpio. Huautla de Jímenez, 4 km west of Puerto de la Soledad , 11.ix.2010, col. O. Francke, A. Valdez, J. Cruz and D. Barrales.

Diagnosis: The following character combination is diagnostic for H. franckei sp. nov. Male palpal bulb with slender embolus, similar in length to tegulum, SA retrolaterally extended, ends at embolus retrolateral face ( Fig. 40A, C View Figure 40 ), VG shallow ( Fig. 40B View Figure 40 ); embolus strongly curved retrolaterally on distal half ( Fig. 40C, D View Figure 40 ). Metatarsus I curved ( Fig. 39J View Figure 39 ). Ocular tubercle and eyes normally developed, periocular pigmentation complete ( Figs 39C View Figure 39 , 41E View Figure 41 ). With stridulatory setae conformed by SP on retrolateral face of palp trochanter and PL on prolateral face of trochanter I ( Figs 39K, L View Figure 39 , 41G, H View Figure 41 ). Urticating setae arranged in one dorsomedian patch, platinum in colour, without well-defined posterior margin ( Figs 39E View Figure 39 , 41C View Figure 41 ). Spermathecae paired, slightly fused at the base, receptacles curved outwards from the base ( Fig. 41I View Figure 41 ). Hemirrhagus franckei sp. nov. differs from most Hemirrhagus species by the stridulatory setae being conformed by SP and PL. It differs from H. pernix by metatarsus I being straight and by the most numerous PL being on trochanter I prolateral face. It differs from H. nahuanus by the ocular tubercle being normally developed, periocular pigmentation being complete, and by the Pap having only one spinose seta.

Etymology: The specific name is a patronym in honour of Oscar F. Francke Ballve for his contribution to the knowledge of Mexican arachnology.

Description: Holotype male CNAN-T0776 ( Figs 1L View Figure 1 , 39A–L View Figure 39 , 40A–D View Figure 40 ): body length 20.76 (not including chelicerae and spinnerets), carapace 8.80 long, 8.45 wide. Caput not markedly elevated; fovea recurved, 1.30 wide ( Fig. 39A View Figure 39 ).

Eyes: anterior eye row procurved, posterior eye row recurved. Periocular pigmentation complete and all eyes normally developed. Eye sizes and interocular distances: AME 0.30; ALE 0.375; PME 0.225; PLE 0.325; AME–AME 0.175; AME–ALE 0.01; PME–PME 0.525; PME–PLE 0.05; ALE–PLE 0.10. Ocular tubercle normally developed, width 1.4, length 0.875; clypeus lacking ( Fig. 39C View Figure 39 ). Labium length 1.15, width 1.58; with 42 cuspules. Maxilla inner corner with approximately 101 cuspules ( Fig. 39D View Figure 39 ). Cheliceral promargin with 11 teeth (proximal to distal: first small, second-eleventh large) ( Fig. 39F View Figure 39 ). Sternum length 3.8. Sigillae oval, second, third, and fourth pairs hardly visible; fourth pair once its length from the margin ( Fig. 39B, G View Figure 39 ).

Leg formula: IV, I, III, II. Length of legs and palpal segments (femur, patella, tibia, metatarsus, tarsus, total): I: 7.47, 4.80, 5.77, 6.76, 5.76, 30.56. II: 7.13, 3.58, 5.39, 6.33, 5.03, 27.46. III: 7.42, 3.41, 5.80, 7.59, 5.67, 29.89. IV: 8.92, 4.29, 7.68, 10.40, 6.56, 37.85. Palp: 4.99, 3.51, 5.10, -, 2.42, 16.02. Spinnerets: PMS, 0.7 long, 0.3 apart; PLS, 1.3 basal, 1.1 middle, 1.6 distal.

Scopulae: tarsi I–IV densely scopulate, III divided by narrow band of setae, IV divided by strong band of setae. Metatarsi I and II densely scopulate; III scopulate on distal half, divided by narrow band of setae; IV scopulate on distal half, divided by strong band of setae.

Tibia I with two apophyses, which do not originate from a common base, Pap normally developed, with one large spinose seta on ventral face, spinose seta slightly exceeds the apex of Pap; Rap normally developed, broad at its base with one short and wide spinose seta on dorsal face, spinose seta slightly exceeds the apex of Rap ( Fig. 39H, I View Figure 39 ). Metatarsus I straight ( Fig. 39J View Figure 39 ).

Stridulatory setae: located on palpal trochanter retrolateral face, positioned proximally, with c. 11 SP of similar size without an orderly arrangement ( Fig. 39K View Figure 39 ). Trochanter I with c. 20 PL on prolateral face ( Fig. 39L View Figure 39 ).

Legs and palpi LSC in: palp femur prolateral and retrolateral faces; leg I coxa prolateral and retrolateral faces, femur prolateral face; leg II coxa prolateral face.

Chaetotaxy (left side): femora I 1p; II 1p, 1r; III 2p, 2r; IV 2p, 2r; palp 1p; patellae III 1p; IV 1p; tibiae I 2p, 7v; II 2p, 8v; III 2p, 7v, 3r; IV 5p, 7v, 3r; palp 1p, 3v, 2r; metatarsi I 3v; II 4v; III 1d, 3p, 11v, 2r; IV 2d, 4p, 9v, 4r.

Palp: embolus slender, similar in length to tegulum, SA retrolaterally extended, ends at embolus retrolateral face, VG shallow. Embolus strongly curved retrolaterally on distal half ( Fig. 40A–D View Figure 40 ).

Urticating setae: type VI arranged in one dorsomedian patch, platinum in colour, without welldefined posterior margin ( Fig. 39E View Figure 39 ) .

Colour pattern: In live specimens colour is black, except the urticating setae ( Fig. 1L View Figure 1 ).

Paratype female CNAN-T0777 ( Fig. 41A–I View Figure 41 ): body length 24.79 (not including chelicerae and spinnerets), carapace 8.7 long, 8.4 wide. Caput not markedly elevated; fovea straight, 2.17 wide ( Fig. 41A View Figure 41 ).

Eyes: anterior eye row straight to slightly procurved, posterior eye row recurved. Periocular pigmentation complete and all eyes normally developed. Eye sizes and interocular distances: AME 0.20; ALE 0.43; PME 0.27; PLE 0.37; AME–AME 0.20; AME–ALE 0.13; PME–PME 0.57; PME–PLE 0.07; ALE–PLP 0.13. Ocular tubercle normally developed, width 1.53, length 0.93; clypeus lacking ( Fig. 41E View Figure 41 ). Labium length 1.2, width 4.3; with 37 cuspules. Maxilla inner corner with approximately 107 cuspules ( Fig. 41F View Figure 41 ). Cheliceral promargin with 12 teeth (proximal to distal: first small, second-fourth large, fifth-seventh medium, eighth-twelfth large) ( Fig. 41D View Figure 41 ). Sternum length 3.75. Sigillae oval, third and fourth pairs hardly visible; fourth pair one and a half its length from the margin ( Fig. 41B View Figure 41 ).

Leg formula: IV, I, III, II. Length of legs and palpal segments (femur, patella, tibia, metatarsus, tarsus, total): I: 7.44, 4.13, 5.93, 4.88, 4.51, 26.89. II: 6.70, 3.48, 5.13, 5.13, 4.18, 24.98. III: 6.63, 3.66, 5.10, 6.55, 4.51, 26.45. IV: 8.92, 3.96, 7.44, 9.63, 5.71, 35.66. Palp: 5.72, 3.31, 4.47, -, 4.29, 17.79. Spinnerets: PMS, 0.8 long, 0.5 apart; PLS, 1.6 basal, 1.1 middle, 1.8 distal.

Scopulae: tarsi I–IV densely scopulate, I and II divided by narrow band of setae, III and IV divided by strong band of setae. Metatarsi I and II densely scopulate, II divided by narrow row of setae; III scopulate on distal half, divided by narrow row setae; IV scopulate on distal third, divided by strong row of setae.

Stridulatory setae: located on palpal trochanter retrolateral face, positioned proximally, with c. 30 SP of different size without an orderly arrangement ( Fig. 41H View Figure 41 ). Trochanter I with c. 30 PL on prolateral face, not as wide as in males ( Fig. 41G View Figure 41 ).

Legs and palpi LSC in: palp femur prolateral and retrolateral faces; leg I coxa prolateral and retrolateral faces, femur prolateral face; leg II coxa prolateral face.

Chaetotaxy (left side): femora I 1p; II 1p; III 2p, 2r; IV 1p, 1r; palp 2p; patellae none; tibiae I 1p, 3v; II 2p, 4v; III 2p, 7v, 2r; IV 2p, 7v, 3r; palp 1p, 6v; metatarsi I 1v; II 4v; III 3p, 7v, 2r; IV 3d, 3p, 8v, 2r.

Genitalia: spermathecae paired, slightly fused at the base, curved outwards from the base; each receptacle longer than wide and slender throughout its length ( Fig. 41I View Figure 41 ).

Urticating setae: type VI arranged in one dorsomedian patch, platinum in colour, without welldefined posterior margin ( Fig. 41C View Figure 41 ).

Colour pattern: in live specimens colour is black, except the urticating setae.

Distribution and natural history: Known only from type locality near Huautla de Jiménez, Oaxaca, Mexico ( Fig. 49 View Figure 49 ). The species inhabits pine forest, living under fallen logs ( Fig. 2E View Figure 2 ).

VI

Mykotektet, National Veterinary Institute

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Theraphosidae

Genus

Hemirrhagus

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