E. oblongus Portevin, 1903a: 164;
Jeannel, 1936: 51; Szymczakowski, 1968: 13; Salgado, 2011d: 49 (male type seen).
Syntypes (several specimens, males and females, in original description; Jeannel, 1936 and Szymczakowski, 1968 refer to 2 specimens, sex not given; male aedeagus illustrated in Jeannel, 1936) in MNHN (original description refers to Grouvelle collection).
Type locality: Marcapata, [Cuzco Department], Peru.
Distribution: Peru: Cuzco Department.