Labiobaetis moriharai ( Mueller-Liebenau , 1984)

Kaltenbach, Thomas & Gattolliat, Jean-Luc, 2019, The tremendous diversity of Labiobaetis Novikova & Kluge in Indonesia (Ephemeroptera, Baetidae), ZooKeys 895, pp. 1-117 : 1

25. Labiobaetis moriharai ( Mueller-Liebenau, 1984) Figures 43 , 53b

Diagnosis.

Larva. Following combination of characters: A) dorsal surface of labrum with submarginal arc of 1 + 8-10 simple setae, the first three after the central seta are longer than the others and decreasing in length; B) labial palp segment II with a large, lobed distomedial protuberance, segment III conical, apically slightly truncate; C) fore femur rather broad, length 3.4 × maximum width, dorsal margin with a row of ca. ten curved, spine-like setae; D) six pairs of gills; E) hindwing pads present, minute; F) distolateral process at scape well developed; G) paraproct distally not expanded, with ca. 12 stout marginal spines.

Examined material.

Paratype. 1 larva (on slide, no. 41), W. Malaysia, Trib. of Gombak River, 16 ½ miles N of Kuala Lumpur, 14.XI.[19]68, Bishop leg.

Figures

Figure 43. Labiobaetis moriharai, larva morphology: a Labrum b Left mandible c Labium d Foreleg.

Figure 53. Distribution of Labiobaetis in Southeast Asia: a localities of all Labiobaetis species b Labiobaetis species presently known.