Chisosa caquetio Huber, 2019

Huber, Bernhard A., Meng, Guanliang & Valdez-Mondragón, Alejandro, 2024, Notes on Chisosa (Araneae, Pholcidae), with the description of a new species from Mexico, Zootaxa 5419 (2), pp. 217-244 : 228

Chisosa caquetio Huber, 2019

Figs 4C–F , 11–15

Chisosa caquetio Huber , in Huber & Carvalho 2019: 31 , figs 105–113 (♂ ♀).

“Gen.n. Geneve59” – Eberle et al. 2018 (molecular data). Huber et al. 2018: fig. 2.

Chisosa caquetio – Huber & Villarreal 2020: 47 .

Figures

FIGURE 4. Chisosa Huber, 2000; live specimens. A, B. C. diluta (Gertsch & Mulaik, 1940), male from U.S.A., Texas, Big Bend N.P., Tuff Canyon. C, D. C. caquetio Huber, 2019; male and female with egg-sac from Curaçao, Kueba di Brua. E, F. C. caquetio; male from Venezuela, Falcón, Cueva del Guano; female from Venezuela, La Guaira, Catia la Mar.

FIGURE 11. Chisosa caquetio Huber, 2019; male from Landhuis San Pedro (ZFMK Ar 24207), female from Kueba di Brua (ZFMK Cur43). A. Female prosoma, frontal dorsal view. B. Male gonopore. C. Male anterior lateral spinneret (ALS). D. Female ALS and posterior median spinnerets (PMS). E. Cone-shaped processes on left male chelicera, frontal view. F. Stridulatory file on left male chelicera. Scale lines: 100 µm (A); 10 µm (B, D–F); 2 µm (C).

FIGURE 12. Chisosa caquetio Huber, 2019; male from Landhuis San Pedro (ZFMK Ar 24207), female from Kueba di Brua (ZFMK Cur43). A. Male palpal tarsal organ. B. Male bulbal processes, showing sperm duct opening (arrow) and possible glandular pores. C. Male bulbal processes; arrow: sperm duct opening. D. Right female chelicera, showing absence of stidulatory ridges. E. Tip of female left palpal tarsus. F. Left female palp. Scale lines: 2 µm (A); 10 µm (B, C, E, F); 20 µm (D).

FIGURE 13. Chisosa caquetio Huber, 2019; male from Landhuis San Pedro (ZFMK Ar 24207), female from Kueba di Brua (ZFMK Cur43). A. Male tibia 1, showing trichobothrium and sexually dimorphic ‘vertical’ hairs. B. Sexually monomorphic short vertical hair (putative chemoreceptor). C. Cuticular plate (arrow) on female left metatarsus 3. D. Trichobothrium on female metatarsus 4. E. Slender metatarsal hair on male left metatarsus 4, retrolateral view. F. Slender metatarsal hairs (arrows) on female right metatarsus 3, prolateral view. G. Slender metatarsal hairs (arrows) on female left metatarsus 4, retrolateral view. H. Distinctively widened tip of slender metatarsal hair on female left metatarsus 4. Scale lines: 10 µm (A, D–G); 1 µm (B); 2 µm (C, H).

FIGURE 14. Chisosa caquetio Huber, 2019; male from Landhuis San Pedro (ZFMK Ar 24207), female from Kueba di Brua (ZFMK Cur43). A, B. Tips of female right tarsi 1 and 2, prolateral views. C. Tip of male right tarsus 4, prolateral view. D. Tarsal organ and slit sensillum on female right tarsus 1. E. Tarsal organ and slit sensillum on male right tarsus 2. F. Tarsal organ and slit sensillum on female right tarsus 3. Scale lines: 10 µm (A–C, F); 2 µm (D, E).

FIGURE 15. Chisosa caquetio Huber, 2019; two females from Kueba di Brua; ZFMK Cur43. A, B. Abdomens, ventral views. C, E. Cleared genitalia, ventral views. D, F. Cleared genitalia, dorsal views.Abbreviations: aep, anterior (main) epigynal plate; pep, posterior epigynal plate; pp, pore plate. Scale lines: 0.2 mm (A, B), 0.1 mm (C–F).