Ungla confraterna (Banks): Male abdomen, (a) segments A7-terminus, lateral (b) tip of terminus, lateral, showing callus cerci and flanged setae on distolateral upper margins of S9 (c) T8, T9+ectoproct, dorsal (d) fused sternite 8+9, ventral, with large, flanged setae on distolateral margin of S9. c.c. callus cerci fl.s. flanged setae inv invagination of dorsal T9+ectoproct S8+9 fused eighth and ninth sternites T8 eighth tergite T9+e fused ninth tergite + ectoproct (Argentina; a, d Mendoza, USNM; b, c Salta, FSCA).