Baetis (Tenuibaetis), 1994

Kluge, Nikita, Srinivasan, Pandiarajan, Sivaruban, T., Barathy, S. & Isack, Rajasekaran, 2023, Contribution to the knowledge of the subgenus Tenuibaetis Kang & Yang 1994 (Ephemeroptera, Baetidae, Baetis s. l.), Zootaxa 5277 (2), pp. 201-258 : 255

9. Baetis (Tenuibaetis) sp. from Thailand

Material examined. THAILAND, Doi Ithanon , river Klang, 18th km by road, 17.I.1998, coll. Grigorenko: 1 larva .

Characteristics. Larva differs from all other species of Tenuibaetis by very wide and short labrum ( Fig. 280 ) and relatively large tergalii of the first pair ( Fig. 284 ).

Figures

FIGURES 279–284. Baetis (Tenuibaetis) sp. (Thailand). 279, fore femur; 280, portion of larval exuviae with left mandible, labrum and frons; 281, labium; 282, male subimaginal abdomen extracted from larva; 283, larval abdominal segments IX–X and caudalii; 284, exuviae of larval abdominal segments I–VIII.