Labiobaetis molawinensis ( Mueller-Liebenau , 1982)

Kaltenbach, Thomas, Garces, Jhoana M. & Gattolliat, Jean-Luc, 2020, The success story of Labiobaetis Novikova & Kluge in the Philippines (Ephemeroptera, Baetidae), with description of 18 new species, ZooKeys 1002, pp. 1-114 : 1

Labiobaetis molawinensis ( Mueller-Liebenau, 1982) Figures 27 , 49b

Diagnosis.

Larva. Following combination of characters: A) dorsal surface of labrum with submarginal arc of ca. 15 clavate setae; B) labial palp segment II with a large, lobed distomedial protuberance, segment III slightly pentagonal, apically slightly truncate; C) left mandible without setae at apex of mola; D) fore femur rather slender, length 3.6 × maximum width, dorsal margin with a row of ca. ten curved, spine-like setae; E) tarsal claw with ca. eleven denticles; F) paraproct distally not expanded, with> 40 stout marginal spines.

Examined material.

Paratype. Philippines • 1 larva; rapids, Molawin Creek, college, Laguna; 28.VII.1977; leg. C.R. Realon; Coll. Pescador; on slide; ZSM.

Other material.

Philippines • 1 larva; Luzon, Laguna, Los Banos, UP Campus, Molawin River; 14°10'05"N, 121°11'44"E; 29.IX.1998; leg. Mendoza; on slide; GBIFCH 00654910; AdMU • 1 larva; Luzon, Laguna, Samil River; 14°08'N, 121°31'E; 27.VI.2018; 370 m; leg. Freitag et al.; on slide; GBIFCH 00654912; ZSM • 1 larva; Luzon, Aurora, Baler, Cemento, rocky coast; 15°45'21"N, 121°34'46"E; 0 m; 04.II.1998; leg. Mendoza; on slide; GBIFCH 00654892; AdMU.

Figures

Figure 27. Labiobaetis molawinensis, larva morphology a labrum b labium c paraproct.

Figure 49. Distribution of Labiobaetis in the Philippines a Group Labiobaetis operosus b Group Labiobaetis sumigarensis c Group Labiobaetis vallus.