Tagalis, Stal, 1860

Castro-Huertas, Valentina & Forero, Dimitri, 2021, Tagalis graziae, a new species of Saicinae from the Chocó biogeographic region in Colombia (Hemiptera: Reduviidae), Zootaxa 4958 (1), pp. 380-387 : 381

Key for Tagalis species, modified from Gil-Santana (2011)

Males are needed in many entries to allow for identification of the species.

1 Profemur incrassate, protibia with four spines.................................................. T. femorata Melo

- Profemur slender, protibia with three spines................................................................ 2

2 Head and thorax dark brown............................................................................ 3

- Head and thorax mostly pale brown, sometimes with dark areas................................................ 5

3 Profemur not entirely dark brown, supracoxal lobes white or not................................................ 4

- Profemur and supracoxal lobes entirely dark brown.......................................................... 5

4 Supracoxal lobes white, profemur pale brown with a suffused apical dark brown band, first antennal segment with conspicuous long setae................................................................ T. dichroa Castro-Huertas & Forero

- Supracoxal lobes dark brown, profemur brown with both basal and distal dark brown bands, first antennal segment with short setae................................................................................. T. graziae sp. nov.

5 Integument of the posterior lobe of pronotum smooth; abdominal sternites mostly orange; posteromedial process of pygophore in male long and acute; parameres with apical third extending beyond pygophore................ T. seminigra Champion

- Integument of the posterior lobe of pronotum rugose; abdominal sternites brownish; posteromedial process of pygophore in male short, spiniform; body of parameres within pygophore rim............. T. evavilmae Gil- Santana, Gouveia & Zeraik

6 Posteromedial process of pygophore long and projecting backwards with a sharply spatulate apex..................................................................................................... T. drakkar Varela & Melo

- Posteromedial process of pygophore of different shape, apex never as above...................................... 7

7 Forewing almost entirely grayish, without alternating markings................................................. 8

- Forewing with alternating darkened and brighter areas or darkened spots......................................... 9

8 Upper region of post-ocular portion of head and humeral angles of posterior lobe of pronotum usually darkened; pterostigma fuscous or discretely whitish at apex; male: longer ciliated hairs of first antennal segment approximately 2.5 times as long as width of segment; lateral process of pygophore not produced; posteromedial process of pygophore conspicuous, with large subtriangular base; paramere slightly curved apically, without an appendix at apical teeth................. T. inornata Stål

- Head and pronotum testaceous, without darkened markings; pterostigma almost completely reddish; male: longer ciliated hairs of first antennal segment approximately 5 times as long as width of segment; pygophore with conspicuous rounded lateral process; posteromedial process of pygophore thin and digitiform; paramere thinner and strongly curved apically, with short and curved appendix in distal portion of apical teeth............................................. T. grossii Gil-Santana

9 Forewing with a reddish area on pterostigma; mesoscutellar spine completely white....................................................................................................... T. albispina Castro-Huertas & Forero

- Forewing without reddish areas; mesoscutellar spine either completely brown or just apically white................... 10

10 Anteroventral and posteroventral spines of head subequal in length; posterior lobe of pronotum blackish; meso- and metafemur with pair of apical short spines; forewing brownish, with basal portion yellowish and two yellowish transverse bands in basal half, and a pair of large whitish spots in distal half; male: longer ciliated hairs of first antennal segment approximately 5 times as long as width of segment; paramere strongly curved apically, with conspicuous triangular appendix on apical teeth; some endosoma projections with small acute spines............................................... T. baenai Gil-Santana

- Anteroventral head spine shorter than posteroventral; posterior lobe of pronotum yellowish; apices of meso- and metafemur without spines; forewing yellowish with incomplete darkened markings, in which darkened veins stand out; male: longer ciliated hairs of first antennal segment approximately 6 times as long as width of segment; paramere slightly curved apically, with triangular appendix on apical teeth small; endosoma projections smooth.................... T. marquesi Gil-Santana