Phymacysta magnifica (Drake, 1922)
Gelchossa magnifica Drake, 1922: 373 .
Leptopharsa magnifica – Drake 1930: 1.
Phymacysta magnifica – Monte 1942: 107.
MATERIAL EXAMINED. — Argentina. Province of Salta, Ruta 9, 11.VI.2007, Guilbert & Montemayor coll., 1 ♀ (MNHN) .
DISTRIBUTION. — Argentina, Misiones (Posadas). Brazil, Paraguay.
This species is here newly recorded for Salta. It seems to be restricted to northern Argentina. This specimen was collected in the understorey.
HOST PLANTS. — Chuquiraga glabra Backer (Asteraceae) (Drake & Hambleton 1938: 63; Monte 1940c: 115; Drake & Ruhoff 1965: 326).