Procloeon (Oculogaster) album Kluge 2016

Kluge, Nikita J., 2020, Review of Oculogaster Kluge 2016 (Ephemeroptera, Baetidae, Procloeon Bengtsson 1915), Zootaxa 4820 (3), pp. 401-437 : 423

Procloeon (Oculogaster) album Kluge 2016

Procloeon (Oculogaster) album Kluge 2016: 506 (larva, subimago, ♂ and ♀ imagines).

Material examined. Besides the holotype and paratypes from Thailand (see Kluge 2016), one larva presumptively placed to this species with the following label: MALAYSIA, Negeri Sabah, Karagasan , Ranau , 6.IX.1994, coll. S.C. Kang ( ZIN) .

Additional characters. Abdominal terga VII–IX of larva, besides simple (i.e. non-bifurcate) setae, with bifurcate setae (as in Fig. 48 ) forming one pair near midlength and/or one pair near posterior margin. On all terga, including tergum IX, row of denticles not interrupted medially. Other characters as formerly described ( Kluge 2016).

Distribution. Thailand ( Kluge 2016); possibly Borneo (see above).

Figures

FIGURES 43–48. Larval exuviae of Procloeon (Oculogaster) niger sp. n. 43–44, caudalii; 45, abdomen; 46, half of pronotum and mesonotum; 47, male uromeres IX–X; 48, fragment of abdominal tergum VIII (arrow shows long bifurcate seta near midlength) (43–46, holotype).