Key for Tagalis species, modified from McAtee & Malloch (1923), Melo (2008) and Gil-Santana et al. (2010)

1. Profemora incrassate, protibiae with four spines.................................................... T. femorata

1´. Profemora slender, protibiae with three spines............................................................... 2

2. Dark species; femora black or brownish, at least with apices fuscous............................................. 3

2´. Pale species; femora with only subapical dark annulus........................................................ 4

3. Integument of hind lobe of pronotum smooth; sternites mostly orange; male: median process of pygophore long, acute; parameres with apical third beside the pygophore................................................... T. seminigra

3´. Integument of hind lobe of pronotum rugous; sternites brownish; male: median process of pygophore short, spiniform; body of parameres within pygophore rim................................................................ T. evavilmae

4. Forewings almost entirely grayish, without alternating markings................................................ 5

4´. Forewings with alternating darkened and brighter areas or darkened spots........................................ 6

5. Upper region of post-ocular portion of head and humeral angles of hind lobe of pronotum usually darkened (Fig. 44); pterostigma fuscous or discretely whitish at apex; male: length of longer ciliated hairs of first antennal segment approximately 2.5X width of segment (Fig. 47); median process of pygophore conspicuous, with large subtriangular base (Figs. 49–53); parameres with little apical curvature (Figs. 54–55), with apical middle beside pygophore (Fig. 48, 53) and without an appen- dix at apical teeth (Fig. 54)...................................................................... T. inornata

5`. Head and pronotum testaceous, without darkened markings (Figs. 22–23); pterostigma almost completely reddish; male: length

of longer ciliated hairs of first antennal segment approximately 5X width of segment; pygophore with conspicuous rounded lateral apophysis (Figs. 32–35); median process of pygophore thin and digitiform (Figs. 32–33, 35); body of parameres within pygophore rim (Figs. 32, 35); parameres thinner and strongly curved apically (Fig. 36), with short and curved appendix in distal portion of apical teeth (Figs. 36–37)....................................................... T. grossii sp. nov. 6. Anteroventral and posteroventral setigerous spines of head subequal in length (Figs. 2, A); hind lobe of pronotum blackish (Fig. 1); middle and hind femora with pair of apical short spines (Figs. 9–10); forewings brownish, with basal portion and two yellowish transverse bands in basal half, and pair of large whitish spots in distal half (Figs. 1, 11); male: length of longer ciliated hairs of first antennal segment approximately 5X width of segment; paramere strongly curved apically (Figs. 16–18); conspicuous triangular appendix on apical teeth (Figs. 17–18); some endosoma projections with small acute spines (Fig. 21)........................................................................................... T. baenai sp. nov.

6´. Anteroventral setigerous head spine shorter than posteroventral (Fig. 65, A); hind lobe of pronotum yellowish (Figs. 63–64); apices of middle and hind femora without spines; forewings yellowish with incomplete darkened markings, in which darkened veins stand out (Figs. 63–64); male: length of longer ciliated hairs of first antennal segment approximately 6X times width of segment (Fig. 66); paramere thinner, with little apical curvature (Fig. 75); triangular appendix on apical teeth small (Fig. 76); endosoma projections smooth (Figs. 77–78).................................................. T. marquesi sp. nov.