Procloeon Bengtsson, 1915

Procloeon Bengtsson, 1915: 34 . Type species: Cloeon bifidum Bengtsson, 1912: 109 .

Pseudocloeon Bengtsson, 1914: 218 (nec Pseudocloeon Matsumura, 1931: 1473)(Synonymized by Bengtsson 1915: 34).

Cloeoptilum Kazlauskas, 1972: 338 (unavailable name) (Synonymized to Pseudocentroptilum by Keffermüller & Sowa 1984: 311).

Subgenus Procloeon: Kluge & Novikova, 1992: 43 .

Procloeon: Bauernfeind & Soldán, 2012: 201 .

Remarks. The definition of the genus Procloeon adopted here follows the broad concept of Bauernfeind & Soldán (2012) and Kawai & Tanida (2005). The main diagnostic characters are: nymphal incisors of mandibles are shallowly divided except P. macronyx, male imaginal genitalia have a broad truncate plate between two forceps but without a prominent or finger-like projection.