Baetodes proiectus Mayo 1973

(Figs. 2, 8–16)

Taxonomy. This species, described based on nymphs from Bolivia, can be distinguished from the other species of the genus by the following combination of characters: 1) two finger-like gills on each coxa (Fig. 14); 2) abdominal terga with tubercles posteromedially (Fig. 2); 3) labrum with dorsal surface with a subapical row of 7–9 spine-like setae near midline, alternating one long and one short (Fig. 8 a), anterior margin with bipectinate setae (Fig. 8 b); 4) hypopharynx with lingua subequal to superlinguae (Fig. 11); 5) maxillae with palpi subequal to galea-lacinia (Fig. 12); 6) labium with glossae shorter than paraglossae (Fig. 13); 7) dorsal edge of femora with 7–8 setae (Fig. 14); 8) tarsal claws with 8–9 denticles (Fig. 15); 9) paraprocts as in Fig. 16.

Variation. The original description mention pronotum and metanotum with tubercles. Some nymphs examined have tubercles clearly defined, while others not.

Distribution. Bolivia and Venezuela.

Material examined. 35 nymphs: Tarotá river, 5º 49´15´N, 61º 25´W, 1324 m, 27/ 6/ 2007, EG, AMO, CA and MEG cols.; 5 nymphs same locality except EG, AMO, and MEG cols., 18/3/2006. Four nymphs: river close to Paují locality, 4º 29´N, 61º 34´W, 917 m, 17/ 3/ 2006, EG, AMO, and MEG cols. Six nymphs: Kaimorán river, 5º 37´N; 61º 21´W, 1313 m, 29/ 6/ 2007, EG, AMO, CA and MEG cols. One nymph: Aponwao river, 5º 51´N; 61º 27´W, 1340 m, 18/ 3/ 2006, EG, AMO, and MEG cols. One nymph: Kako-Parú stream, 4º 54´N, 61º 05´W, 913 m, 21/ 3/ 2006, EG, AMO, and MEG cols. One nymph: stream close to Paují locality, 4º 36´N, 61º 05´W; 942 m, 17/ 3/ 2006, EG, AMO, and MEG cols. One nymph: Maremán-Parú river, 5º 44´N, 61º 24´W; 1308 m, 28/ 6/ 2007, EG, AMO, CA and MEG cols. Material housed at IML except 10 nymphs housed at MLBV.