Orchestina juruti Izquierdo 2017, new species

TYPES: Male holotype from Brazil: Pará: Juruti: Barroso, -2.45000°, -56.00194°, Nov. 16, 2007, N.F. Lo Man Hung, deposited in MPEG 018872, PBI_OON 42147; same, Várzea, margem do Rio Amazonas, -2.40917°, -56.43611°, Sep. 18, 2002, A.B. Bonaldo, 1 female paratype deposited in MPEG 18871, PBI_OON 42173.

ETYMOLOGY: The specific name is a noun in apposition taken from the type locality.

DIAGNOSIS: Males can easily be distinguished by the presence of short projections near embolus and by the extremely coiled sperm duct (figs. 132D–F, 141D, E). Females can be distinguished by the shape of the anterior receptaculum, with wide base and internal sclerotized plates at both sides of the genitalia (figs. 136B, 139B, 144B).

MALE (PBI_OON 42147): Total length 0.89. Habitus as in figure 129A, B. CEPHALOTHO- RAX: Posterior eye row straight from front. Anterior face of chelicerae with basal conical projections. Labium rectangular. GENITALIA: Bulb stout; embolus short, flanked by short projections; sperm duct strongly coiled, with many loops (figs. 132D–F, 141D, E).

FEMALE (PBI_OON 42173): CEPHALOTHO- RAX (fig. 129C, D): Carapace length 0.62; chelicerae anterior face unmodified. ABDOMEN: Separated from cephalothorax; epigastric region weakly sclerotized. LEGS: Right legs II–IV, left legs I, II absent. GENITALIA: As in diagnosis, external, internal pockets absent; posterior receptaculum present, posterior apodeme formed by entire plate (figs. 136B, 139B, 144B).

DISTRIBUTION: Brazil, states of Amazonas and Pará (map 24).

OTHER MATERIAL EXAMINED: BRAZIL: Amazonas: Manaus: Reserva Adolpho Ducke, -2.92638°, -59.94027°, July 26, 1995, Camilo, 13 (MPEG 18854, PBI_OON 42171). Same data as holotype, D.F. Candiani, 13 (MPEG 18874, PBI_OON 42168).