Procloeon (Oculogaster, Kluge, 2020

Kluge, Nikita J., 2020, Review of Oculogaster Kluge 2016 (Ephemeroptera, Baetidae, Procloeon Bengtsson 1915), Zootaxa 4820 (3), pp. 401-437 : 434

Procloeon (Oculogaster ?) sp. « Sulawesi »

( Figs 138–141 )

Material examined. INDONESIA, Sulawesi, Mamasa , 15–27.VIII.2009, coll. N. Kluge & L. Sheyko: 1 larva ( ZIN) .

Description and comparison. Femur with 2 apical setae (as in other Oculogaster ); other characters of Oculogaster (eggs and venation of pterostigma) unknown. Mouthparts longer and narrower than in other species ( Figs 138–140 ) (labial palps lost). Maxilla with 1st dentiseta stout, canine-like and bent toward canines (« Baetis - type ») ( Fig. 139 ), in contrast to other Cloeon /fg1, whose maxillae are of « Cloeon - type » ( Kluge 2017: 94). Maxillary palp 3-segmented, with 3rd segment much shorter than 2nd segment (in contrast to subequal in other described Asian Oculogaster ). Hind protoptera absent. Denticles on claw minute, located in proximal part of claw only (as in P. album ). Lateral denticles absent on all abdominal segments (in contrast to most other Cloeon /fg1, but similar to P. (O.) sp. « Philippines », below). Cerci with long lateral spines ( Fig. 141 ) (as in other Procloeon /g1). Tergalii VII as in other Procloeon /g1 (as in Fig. 124 ), other tergalii unknown.

Figures

FIGURES 138–141. Larva of Procloeon (Oculogaster?) sp. «Sulawesi». 138, glossae and paraglossae; 139, maxilla (ds1–ds3, dentisetae); 140, right mandible; 141, part of cercus.

FIGURES 118–126. Procloeon (Oculogaster) malabarensis sp. n. 118–124, tergalii I–VII (holotype); 125, genitalia of male imago (muscles not shown); 126, their subimaginal exuviae.