Nuvol umbrosus Navás female abdomen. a, b terminal segments, lateral c callus cerci and trichobothria d ninth tergite and ectoproct, dorsal, divided by deep groove e seventh pleuron and sternite, showing spiracle and texture of integument f callus cerci [a, c, d, e: Brazil, Rondônia, CAT; b, f: Brazil, Amazonas, FS]. a anus c.c. callus cerci g.l. gonapophysis lateralis sg subgenitale sp spermatheca sp.d. spermathecal duct S7 seventh sternite T7 seventh tergite T9+e fused ninth tergite and ectoproct.