Morphotaxonomy of the Simulium (Simulium) tuberosum species group (Diptera: Simuliidae) in Thailand Author Tangkawanit, Ubon Author Kuvangkadilok, Chaliow Author Baimai, Visut Author Adler, Peter H. text Zootaxa 2009 2048 31 46 journal article 10.5281/zenodo.186496 a6aa7826-075e-4c7e-a095-ea3a3cd23017 1175-5326 186496 Simulium setsukoae Takaoka and Choochote, 2004 a This species is recognized by the dark gray to grayish brown larvae ( Fig. 1 C) with a diffuse brown area posterolaterally on the head capsule ( Fig. 2 E); pupae without microtubercles on the antennal sheaths, rounded cephalic microtubercles ( Fig. 4 C), narrow gill filaments decreasing in thickness from dorsal to ventral, and gill stalks decreasing slightly in length from dorsal to ventral ( Fig. 7 D); females with sternite VII bearing short clusters of hairs; and males with a teardrop-shaped median sclerite ( Fig. 9 C) and about 20 upper ommatidia per column in the compound eye.