Endotribelos

Trivinho-Strixino, Susana & Pepinelli, Mateus, 2015, A systematic study on Endotribelos Grodhaus (Diptera: Chironomidae) from Brazil including DNA barcoding to link males and females, Zootaxa 3936 (1), pp. 1-41 : 36

Endotribelos sp. duke2

( Figs 20 f–k)

Material examined. 1 larva, Brazil, AM, Manaus, Reserva Duke, 12.vi.2002 (E2-48, LEIA-UFSCar).

Diagnostic characters. Head yellowish with mandibular tips and mentum dark brown. Antenna 5-segmented, basal segment 29 µm long. AR 0.91; antennal blade slightly shorter than antennal flagelum ( Fig. 20 h). Dorsal sclerites of head as in figure 20f, clypeus 61 µm long. Pecten epipharyngis formed by toothed plates ( Fig. 21 g). Mandible 123 µm long, with short dorsal tooth, apical and two inner teeth dark brown; seta subdentalis slender, 23 µm long ( Fig. 20 j). Mentum 112 µm wide, with ten dark teeth; median teeth shorter and fused to first laterals; outer lateral teeth larger and separate from others ( Fig. 20 k). Ventral plate 84 µm long, with weak striations; distance between ventromental plates 38 µm.

Figures

FIGURE 20. Endotribelos sp. duke 1 (a – e) and sp. duke 2 (f – k) larvae. a. Dorsal sclerites of head. b. Pecten epipharyngis c. Antenna. d. Mandible, dorsal and ventral view. e. Mentum and ventromental plate. f. Dorsal sclerites of head. g. Pecten epipharyngis. h. Antenna. i. Premandible. j. Mandible. k. Mentum and ventromental plate.

FIGURE 21. Endotribelos sp. kleine. a. Dorsal sclerites of head. b. Antenna. c. Pecten epipharyngis. d. Premandible. e. Mandible. f. Mentum and ventromental plate. g. Abdomen posterior.