Genus Procloeon Bengtsson 1915

= Pseudocloeon Bengtsson 1914 (non Pseudocloeon Klapalek 1905) Branch “11”: Kluge & Novikova 1992: Fig. 11

Hierarchical name: Procloeon /g1: Kluge 2011: 362

Type species: Cloeon bifidum Bengtsson 1912 .

Diagnosis. Larva. On lateral side of distal part of cercus each segment bears one greatly enlarged spine (Figs 22, 60) (unique autapomorphy, not found in any other taxa). Cerci and paracercus without long bare last segments (the same in Pseudocentroptilum). In contrast to Cloeon, additional dorsal lamella of tergalii without anteriorproximal projection; in some species dorsal lamella is lost. Labial palp with 3rd segment (truncate) always widened.

Winged stages. In contrast to Cloeon, unpaired sclerotized projection of penial bridge semicircular or truncate; fore wing of female not colored. Hind wings present or absent. Oviparous or viviparous.

Distribution. Holarctic, Oriental and Afrotropical Regions.

Composition. The genus Procloeon сan be divided into several subgenera, among which the largest nominative subgenus Procloeon s.str. is a plesiomorphon ancestral to subgenera Pseudocentroptiloides Jacob (in Jacob & Glazaczow) 1987, Oculogaster sugen. n., and others.