Ungla argentina (Navás): Male abdomen, (a, b) segments A6-terminus, lateral (c) tergites T8 and T9+ectoproct, dorsal (d) fused sternites S8+9, ventral (e) terminus, dorsal (f) callus cerci. inv invaginated dorsal cleft in T9+ectoproct sp spiracle s.p. setose subanal plate S8+9 fused eighth and ninth sternites T7 seventh tergite T8 eight tergite T9+e fused ninth tergite and ectoproct (Argentina; a, e, f Tucumán, CAS; b, c, d Santiago del Estero, CAS).