Procloeon, sensu Kluge, 2016

Kluge, Nikita J., 2023, Redescription of the subgenus Securiops Jacobus, McCafferty & Gattolliat 2006 (Ephemeroptera, Baetidae, Procloeon Bengtsson 1915), Zootaxa 5343 (3), pp. 243-272 : 246

Character of Procloeon s. l., or Procloeon /g1:

Larval cerci. In distal part of larval cercus, each cercomere bears one greatly enlarged spine on lateral side of its posterior margin; these spines form a regular row on lateral side of cercus (autapomorphy of Procloeon s. l.) ( Figs 72 , 105 , 125 ).

Figures

FIGURES 70–76. Procloeon (Securiops) macafertiorum. 70, subimaginal exuviae: apex of tibia and base of tarsus of fore leg of male; 71–76, larval exuviae: 71, caudalii; 72, fragment of cercus; 73, fragment of fore tarsus; 74, abdominal tergum IV; 75, abdominal sternum V; 76, abdominal tergum X, paraproct and margin of tergum IX.

FIGURES 98–105. Procloeon (Securiops) mutadens. 98–99, left and right mandibles; 100, labrum; 101, maxilla; 102, larval cuticle of metanotum with vestige of hind protopteron; 103, abdominal tergum V; 104, abdominal sternum V; 105, caudalii. Abbreviation: sc, scales and scale sockets.

FIGURES 120–125. Procloeon (Securiops) primasia, larval exuviae. 120, base of tibia of fore leg, with focus on dorsal side; 121, the same with focus on ventral side; 122, abdominal tergum V; 123, abdominal sternum VIII; 124, cercus and paracercus; 125, portion of cercus.