Orchestina ucumar Izquierdo, 2017

Izquierdo, Matías Andrés & Ramírez, Martín J., 2017, Taxonomic Revision Of The Jumping Goblin Spiders Of The Genus Orchestina Simon, 1882, In The Americas (Araneae: Oonopidae), Bulletin of the American Museum of Natural History 2017 (410), pp. 1-1 : 1-

Orchestina ucumar Izquierdo , new species

Figures 148A , 179–185 , 194A–C , 195A, D ,

Figures

FIGURE 148. Habitats of Orchestina in Bolivia. A. Beating vegetation in Pedernal (Chuquisaca), one of the habitats of O . ucumar. B. Concesión Forestal La Chonta (Santa Cruz), type locality of O . grismadoi. C, D. Paraíso (La Paz), type locality of O . moyuchi. Image B by Cristian Grismado.

FIGURE 179. Orchestina ucumar. A–D. male. E–G. Female. A, G. Habitus dorsal. B, F. Same, lateral; arrow in B points to the forward clypeus. C. Same, anterior; arrow points to the long chelicerae. D. Cephalothorax, ventral; arrow points to the modifications of endites. E. Habitus ventral. Scale bars: 0.5 mm except D, 0.2 mm. (PBI_OON 14895).

FIGURE 180. Orchestina ucumar, SEM of male endites and labium. A. Endites and labrum, dorsal. B. Labrum, dorsal. C. Labium, ventral. D. Detail of endites and serrula. E. Apical region of endites showing setae. F. Detail of the apical region of labium. Scale bars: A, C. 50 μm. B, D, E. 20 μm. F. 10 μm. (PBI_OON 14924).

FIGURE 181. Orchestina ucumar, SEM of male left chelicerae. A. Retromargin. B. Anterior. C. Apical. D. Mesal on fang. E. Anteroapical; arrows point to two plumose setae. F. Apical view, detail of fang insertion. Scale bars: A–F. 20 μm. B. 100 μm. (PBI_OON 14924).

FIGURE 182. Orchestina ucumar, SEM of female leg and palp structures. A. Tarsal organ of left leg I. B. Same, left leg II. C. Same, left leg IV. D. Same, left palp. E. Same, left leg III. F. Trichobothrial socket of leg IV. G. Palp, apical view. H. Modified setae on the terminal region of left metatarsus II, prolateral view. I. Same, tarsus. Scale bars: A–F. 5 μm. G, H, 20 μm. I. 10 μm. (PBI_OON 14896, 14905).

FIGURE 183. Orchestina ucumar, SEM of male leg and palp structures. A. Tarsal organ of right leg I. B. Same, left leg II. C. Same, left leg III. D. Same, left leg IV. E. Same, cymbium of left palp. F. Trichobothrial socket of right leg I. Scale bars: 5 μm except F, 10 μm. (PBI_OON 14924, 14922).

FIGURE 184. Orchestina ucumar, SEM of male left palp. A. Dorsal. B. Retrolateral. C. Detail of embolus and apophysis. D. Detail of embolus. E. Embolus and apophysis, lateral. F. Detail of cymbium. Scale bars: A. 100 μm. B. 200 μm. C, E, F. 20 μm. D. 5 μm. (PBI_OON 14924).

FIGURE 185. Orchestina ucumar, SEM of female genitalia. A. Epigastric region. B. Dorsolateral. C. Detail of the base of anterior receptaculum. D. Anterior. E. Anterior receptaculum, dorsal. F. Detail of the base of posterior apodeme. Abbreviations: AR, anterior receptaculum; PA, posterior apodeme. Scale bars: A. 20 μm. B–E. 50 μm. F. 20 μm. (PBI_OON 14895).

FIGURE 194. Orchestina spp., male palps. A–C. O . ucumar, paratype, right palp. D–F. O . luispi, paratype (PBI_OON 42262). A, D. Prolateral. B, E. Dorsal. C, D. Retrolateral. Images A–C flopped for consistency. Scale bars: 0.2 mm. (PBI_OON 14895).

FIGURE 195. Orchestina spp., female genitalia. D–H. Cleared. A, D. O . ucumar. B, E–G. O . andianavarroi. C, H. O . luispi. A–E. Ventral. H. Dorsal. G. Anterodorsal. F. Lateral. Abbreviations: AR, anterior receptaculum; M2, M3, muscles 2 and 3 respectively; PA, posterior apodeme. Asterisks indicate the membranous chambers of the anterior receptaculum. Scale bars: A. 0.25 mm. B, C. 0.1 mm. D–H. 0.025 mm. (PBI_OON 1656, 14896, 14868, 14998, 14809).