Hemirrhagus gertschi, Perez-Miles & Locht, 2003

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 : 650

HEMIRRHAGUS GERTSCHI PÉREZ- MILES & LOCHT, 2003 ( FIGS 10A–H , 11A–D , 12A–F , 49 )

Hemirrhagus gertschi Pérez-Miles & Locht, 2003: 370 , figs 21–30. (D ♂, ♀)

Type material: Holotype ♂ and paratype ♀ LAAH, MEXICO: Resumidero , Guerrero 27.iii.1976, col. L. Rendon. Examined.

Additional material examined: 1 ♂ LAAH, MÉXICO: Resumidero , Guerrero, without further information .

Emended diagnosis: The following character combination is diagnostic for H. gertschi . Male palpal bulb with slender embolus similar in length to tegulum ( Fig. 11A, B ), SA ends at retrolateral face of embolus; VG deep. The posterior curvature of SA occurs in the base of the embolus and forms an angle of 90° ( Fig. 11A–D ). Metatarsus I curved ( Fig. 10D ). Rap and Pap slightly reduced ( Fig. 10G, H ). Ocular tubercle reduced, all eyes normally developed; periocular pigmentation strongly marked on AME ( Figs 10A, E , 12A, E ). Urticating setae arranged in two dorsal paramedian patches as bands along the opisthosoma, brown in colour, without well-defined margins ( Figs 10C , 12C ). Spermathecae paired, slightly fused at the base; receptacles strongly sclerotized apically, broad at base and slightly bent laterally ( Fig. 12F ). Hemirrhagus gertschi differs from most Hemirrhagus species by the posterior curvature of SA forming an angle of 90°. It differs from H. papalotl and H. valdezi sp. nov. by having the urticating setae arranged in two dorsal paramedian patches as bands along the opisthosoma.

Distribution and natural history: Known only from Resumidero, Guerrero; lives within the cave ( Fig. 49 ).

HEMIRRHAGUS GRIETA ( GERTSCH, 1982)

( FIGS 13A–F , 48 )

Spelopelma grieta Gertsch, 1982: 93 , fig. 17 (D ♀); Schmidt, 1993: 68, fig. 133; Smith, 1995: 33, figs 21–29; Schmidt, 2003: 117, fig. 65.

Hemirrhagus grieta Pérez-Miles & Locht, 2003: 373 .

Type material: Holotype ♀ AMNH, MEXICO: Oaxaca, Mpio. Huautla de Jiménez, Cueva de la Grieta , 8.vi.1978, col. J. Jancewics, D. Lowney and S. Zeaman. Examined. Male unknown.

Figures

Figure 10. Hemirrhagus gertschi Pérez-Miles & Locht, 2003, holotype male LAAH. A, carapace, dorsal view. B, prosoma, ventral view showing the retrolateral projection of the coxa (RP) on coxae of all legs (arrows show this feature only on coxa of third and fourth legs). C, opisthosoma, dorsal view. D, metatarsus I, prolateral view. E, ocular tubercle, dorsal view. F, labial and maxillary cuspules. G, tibial apophyses, prolateral view. H, tibial apophyses, ventral view. Scale bars = 2 mm (A–D), 1 mm (E–H).

Figure 11. Hemirrhagus gertschi Pérez-Miles & Locht, 2003, holotype male LAAH, left palpal bulb. A, retrolateral view. B, prolateral view. C, dorsal view. D, ventral view. Abbreviations: SA, subapical keel; VG, ventral groove. Scale bar = 1 mm.

Figure 12. Hemirrhagus gertschi Pérez-Miles & Locht, 2003, paratype female LAAH. A, carapace, dorsal view. B, prosoma, ventral view showing the retrolateral projection of the coxa (RP) on coxae of all legs (arrows show this feature only on coxa of third and fourth legs). C, opisthosoma, dorsal view. D, trochanter I lateral scopular setae (LSC), ventral view. E, ocular tubercle, dorsal view. F, spermathecae, dorsal view. Scale bars = 4 mm (A, C), 2 mm (B), 1 mm (D–F).

Figure 13. Hemirrhagus grieta (Gertsch, 1982), holotype female AMNH. A, carapace, dorsal view. B, opisthosoma, dorsal view. C, prosoma, ventral view showing the retrolateral projection of the coxa (RP) on coxae of all legs (arrows show this feature only on coxa of third and fourth legs). D, ocular tubercle, dorsal view. E, labial and maxillary cuspules. F, spermathecae, dorsal view. Scale bars = 2 mm (B), 1 mm (A, C, E), 0.5 mm (D, F).

Figure 48. Known distribution of Hemirrhagus stygius (Gertsch, 1971), Hemirrhagus elliotti (Gertsch, 1973), Hemirrhagus embolulatus sp. nov., Hemirrhagus eros Pérez-Miles & Locht, 2003, Hemirrhagus chilango Pérez-Miles & Locht, 2003, Hemirrhagus nahuanus (Gertsch, 1982), Hemirrhagus papalotl Pérez-Miles & Locht, 2003, Hemirrhagus grieta (Gertsch, 1982), Hemirrhagus coztic Pérez-Miles & Locht, 2003, and Hemirrhagus perezmilesi García-Villafuerte & Locht, 2010.

Figure 49. Known distribution of Hemirrhagus mitchelli (Gertsch, 1982), Hemirrhagus puebla (Gertsch, 1982), Hemirrhagus ocellatus Pérez-Miles & Locht, 2003, Hemirrhagus gertschi Pérez-Miles & Locht, 2003, Hemirrhagus valdezi sp. nov., Hemirrhagus pernix (Ausserer, 1875), Hemirrhagus franckei sp. nov., Hemirrhagus reddelli (Gertsch, 1973), Hemirrhagus benzaa sp. nov., and Hemirrhagus guichi sp. nov.