Arthrits Multisecta, 2 primary median plication in pedicel valve. branch about 3 times argata = ancestra and multisecta? mucida. Stigma median fold & arms than multisecta. igusta. double median plication in pedicel valve. teven. double median plication & pedicel valve. Arthritis Relations {tessa igusta mucida multisecta} = {simple dorsal plication double ventral common parent, surface ornamentation as in multisecta. This ornamentation formed also in {D. argata & D. corfulenta. corfulenta. {Emargata single median plicae trm. surface without an'- ulate transverse marking and multisecta, perrecta pudilis