Derotettix wagneri Distant, 1905

Sanborn, Allen F. & Heath, Maxine S., 2014, The cicadas of Argentina with new records, a new genus and fifteen new species (Hemiptera: Cicadoidea: Cicadidae), Zootaxa 3883 (1), pp. 1-94 : 72

Derotettix wagneri Distant, 1905

Derotettix wagneri Distant 1905d: 209 (type material examined).

Derotettix proseni Torres 1945a: 77 (type material examined). syn. n.

Type locality. Chaco of Santiago del Estero, edges of the Rio Salado , Argentina.

Remarks. Torres (1945a) distinguished D. proseni from D. wagneri by the lack of coloration on the vertex in the region of the ocelli, the absence on the pronotum of a black central band, marks on the mesonotum, the absence of the black longitudinal band on the dorsal abdomen, lack of markings on the timbal ribs, and for the lack of infuscation on the forewing.

Study of the male holotype and a paratype of D. proseni and the holotype of D. wagneri showed that D. proseni is a polymorphic form of D. wagneri . The only characters that distinguish D. proseni are a lack of dark body markings and the uninfuscated and unmarked wings. There are no structural differences between the species which are also of the same size. As a result, we propose D. proseni as a junior synonym of D. wagneri .

The species is known only from Santiago del Estero Province ( Distant 1905d; Torres 1945a; Sanborn et al. 2004) which is where we collected our specimens. The reference to Buenos Aires ( Metcalf 1963c) is an error as Buenos Aires in not mentioned in the original species description.