A systematic study on Endotribelos Grodhaus (Diptera: Chironomidae) from Brazil including DNA barcoding to link males and females Author Trivinho-Strixino, Susana Author Pepinelli, Mateus text Zootaxa 2015 3936 1 1 41 journal article 10.11646/zootaxa.3936.1.1 1745dfc0-1683-48d2-9389-1da2d885ddaf 1175-5326 288149 14342F0D-B747-467B-A1B3-5FD7264A459F Endotribelos sp. duke1 ( Figs 20 a–e) Material examined. 2 larvae , Brazil , AM, Manaus, Reserva Duke, 12.vi.2002 (E2-49, E2-50, LEIA-UFSCar). Diagnostic characters. Head yellowish with mandibular tips and mentum dark brown. Antenna 5-segmented, basal segment 31 µm long. AR 0.91; antennal blade slightly shorter than antennal flagelum ( Fig. 20 c). Dorsal sclerites of head as in figure 20a, clypeus 61 µm long. Pecten epipharyngis formed by toothed plates ( Fig. 20 b). Mandible 110–115 µm long, with apical and three inner teeth dark brown; dorsal tooth double; seta subdentalis slender, 28 µm long ( Fig. 20 d). Mentum 84–86 µm wide, with fifteen dark teeth; median tooth near 1/3 shorter than first laterals; other laterals teeth decreasing laterally ( Fig. 20 e). Ventral plate 64–69 µm long, with weak striations; distance between ventromental plates 37–38 µm.