Key to the adult females of Sabethes species recorded in Brazil

1. Prealar setae present (Fig. 1A) (subgenus Davismyia)................................................ petrocchiae

- Prealar setae absent (Fig. 1B)........................................................................... 2

2(1). Upper proepisternal setae present (Fig. 1A)................................................................ 3

- Upper proepisternal setae absent (Fig. 1B) (subgenus Sabethes)................................................ 7

3(2). Midtarsus with white scaling (Fig. 1E) (subgenus Sabethoides)................................................ 4

- Midtarsus entirely dark-scaled (Fig. 1F).................................................................. 21

4(3). Upper mesepimeral setae short, not reaching mid area of mesopostnotum, reaching only the lateral area (Fig. 2A)........ 5

- Upper mesepimeral setae long, reaching mid area of mesopostnotum (Fig. 2B).................................... 6

5(4). Midtarsus white-scaled from base of tarsomere 2 to apex of tarsomere 4 (Fig. 2C); abdominal terga V and VI with lateral spot of silver scales expanded toward the apex like an angular incision (Fig. 2E)............................. chloropterus

- Midtarsus white-scaled from base of tarsomere 3 to apex or almost to the apex of tasomere 4 (Fig. 2D); abdominal terga V and VI with lateral spot of silver scales limited to base (Fig. 2F)............................................. conditus

6(4). Antepronotum with blue scales dorsally (Fig. 2G)................................................... tridentatus

- Antepronotum with greenish scales dorsally (Fig. 2H)............................................. glaucodaemon

7(2). Midtarsus entirely dark-scaled (Fig. 1F)................................................................... 8 Midtarsus white-scaled (Fig. 1E)....................................................................... 15 8(7). Midleg without paddles (Fig. 3A)................................................................ purpureus

- Midleg with paddles (Fig. 3B)........................................................................... 9

9(8). Upper mesepimeral setae black; a single yellowish seta may be present among the black setae (Fig. 3C)............... 10

- Upper mesepimeral setae yellowish (Fig. 3D)............................................................. 13

10(9). Postpronotum entirely blue-scaled (Fig. 3E)............................................................... 11

- Postpronotum covered with blue scales dorsally, with pale golden scales ventrally (Fig. 3F)......................... 12

11(10). Abdominal segments VI and VII with colors separated laterally in a straight line (Fig. 4A)....................... batesi

- Adominal segments VI and VII with colors separated laterally by rounded incisions (Fig. 4B).................. cyaneus

12(10). Scutum entirely covered with blue scales (Fig. 4C); ventral surface of midfemora with a line of scales with pale golden reflection (Fig. 4G)................................................................................ lanei

- Scutum covered with greenish scales, scales of antealar and supralar areas with golden reflections (Fig. 4D); midfemora dark-scaled ventral surface (Fig. 4H)....................................................................... spixi

13(9). Antepronotum with violaceous scales dorsally, contrasting with blue coloration of scutum (Figs 4E, 8A).. albiprivus (in part)

- Antepronotum with blue scales dorsally, similar to coloration of scutum (Fig. 4F)................................. 14

14(13). Postpronotum entirely blue-scaled (Fig. 3F)...................................................... quasicyaneus

- Postpronotum with dorsal area covered with blue scales and ventral area with slightly golden scales (Figs. 3E, 8B).............................................................................................. albiprivus (in part)

15(7). Scutum with median dark stripe distinct from bluish and golden lateral areas (Fig. 5A)...................... bipartipes

- Scutum without median dark stripe, entirely covered with scales of same color (Fig. 5B)........................... 16

16(15). Upper mesepimeral setae long, reaching mid area of mesopostnotum (Fig. 2B)................................... 17

- Upper mesepimeral setae short, not reaching mid area of mesopostnotum, reaching only the lateral area (Fig. 2A)....... 19

17(16). Mesopostnotum with spot of silvery-white scales (Fig. 5C).......................................... gymnothorax

- Mesoposnotum without spot of silvery-white scales (Fig. 3D)................................................. 18

18(17). Foretarsus white-scaled from tarsomere 3 to basal half of tarsomere 5.................................. amazonicus

- Foretarsus white-scaled from apical half of tarsomere 2 to of tarsomere 4................................. forattinii

19(16). Foretarsomere 3 entirely dark-scaled (Fig. 5D).................................................. tarsopus / ortizi

- Foretarsomere 3 white-scaled ventrally (Fig. 5E)........................................................... 20

20(19). Foretarsomeres 2 and 3 white-scaled ventrally (Fig. 5E)............................................... belisarioi

- Foretarsus white-scaled ventrally from apical half of tarsomere 2 to basal half of tarsomere 4................. cerqueirai

21(3). Lower mesokatepisternal seta present (Fig. 1C) (subgenus Peytonulus)......................................... 22

- Lower mesokatepisternal seta absent (Fig. 1D) (subgenus Sabethinus).......................................... 30

22(21). Scutum covered with dull scales, without metallic sheen (Fig. 6A)....................................... shannoni

- Scutum covered with brilliant metallic-colored scaling (Fig. 6B).............................................. 23

23(22). Proboscis entirely dark-scaled ventrally (Fig. 5F).......................................................... 24

- Proboscis with pale scales ventrally (Fig. 5G, H)........................................................... 26

24(23). Hindtarsomere 5 white-scaled ventrally (Fig. 6C).......................................................... 25

- Hindtarsomere 5 entirely dark-scaled (Fig.6D)......................................................... ignotus

25(24). Antepronotum with violaceous scaling dorsally....................................................... undosus

- Antepronotum with violaceous and blue scaling dorsally............................................ hadrognathus

26(23). Proboscis with spot of pale scales ventrally (Fig. 5H)....................................................... 27

- Proboscis with line of pale scales ventrally (Fig. 5G)........................................................ 29

27(26). Hindtarsomere 5 white-scaled ventrally (Fig. 6C).......................................................... 28

- Hindtarsomere 5 dark-scaled ventrally (Fig. 6D)..................................................... whitmani 28(27). Antepronotum with violaceous scaling dorsally......................................................... soperi

- Antepronotum with blue scaling dorsally............................................................. fabricii

29(26). Hindtarsomere 5 white-scaled ventrally (Fig. 6C).................................................... aurescens

- Hindtarsomere 5 entirely dark-scaled (Fig. 6D)...................................................... identicus

30(21).Vertex and dorsal area of antepronotum with same metallic coloration (Fig. 7A, B)................................ 31

- Vertex and dorsal area of antepronotum with distinct metallic coloration (Fig. 7C)................................ 32

31(30). Vertex and dorsal area of antepronotum with violaceous reflections (Fig. 7A)............................ intermedius

- Vertex and dorsal area of antepronotum with bluish reflections (Fig. 7B).............................. melanonymphe

32(30). Vertex predominantly with violaceous reflections and dorsal area of antepronotum with azure blue reflections (Fig. 7C)................................................................................................ xhyphydes Vertex predominantly with violaceous reflections and atepronotum with some violaceous reflections............ idiogenes