Augochlora australis Lepeco & Gonçalves 2020, sp.nov.

Males (males of A. australis sp.nov., A. helena sp. nov, A. hirsuta sp.nov., and A. jugalis are unknown)

1 T1 medially punctate subapically (Fig. 3D) or entirely weakly punctate; hind basitarsus pale yellowish; metapostnotum usually as long as or longer than scutellum; F1 always as long as F2; T2 with premarginal setae almost reaching apical margin on sublateral surfaces; gonostylus, outer lobe of ventral process with setae longer than inner lobe (as in Figs. 51K, L); body usually green with golden reflections, blue iridescences usually faint or absent........................... 2 (Oxystoglossella)

- T1 medially with an impunctate area subapically (Fig. 3E); hind basitarsus light brown to black, rarely pale yellowish; metapostnotum shorter than scutellum; F1 sometimes shorter than F2; T2 with premarginal setae apex ending far before apical margin on sublateral surfaces; gonostylus, outer lobe of ventral process with setae shorter than inner lobe (as in Figs. 50 A–I and 51A, J) body color variable, usually with blue iridescences................................ 5 (Augochlora s. str.)

2(1) S4 with a tuft of thick setae on medioapical margin; S5 depressed transversally on median surface; hind basitarsus about 5x longer than maximum width, slightly narrowed apically; clypeus apex and labrum creamy white...... A. mendax sp. nov.

- S4 without a distinct tuft of thick setae on medioapical margin; S5 not depressed transversally on median surface; hind basitarsus more than 6.5x longer than maximum width, parallel sided; clypeus apex and labrum color variable ............... 3

3(2) Preepisternum rugose, without distinct punctures; mesoscutum anterior border rugulose; metasoma with copper-red reflections........................................................................... A. morrae Strand, 1910

- Preepisternum punctate near pronotal lobe; mesoscutum anterior border not rugulose; metasoma usually without copper-red reflections.......................................................................................... 4

4(3) Clypeus apex with yellowish band; metapostnotum concave, apex microreticulate; S5 with a glabrous patch medially.................................................................................... A. aurinasis (Vachal, 1911)

- Clypeus apex without yellowish band; metapostnotum not concave, entirely carinate; S5 without glabrous patch medially............................................................................. A. iphigenia Holmberg, 1886

5(1) Metasoma with strong copper-red reflections; hind-basitarsus about 5x longer than maximum width; mesoscutum disc contigu- ously punctate......................................................................... A. hestia sp. nov.

- Metasoma never with strong copper-red reflections; hind basitarsus more than 6.5x longer than maximum width; mesoscutum disc densely to sparsely punctate........................................................................ 6

6(5) T1 apex not inflexed (Fig. 2A); F1 as long as F2; F3 usually wider than long; hind tibia anterior surface always with abundant tiny setae among long setae; mesoscutum densely punctate (I <PD)............................................ 7

- T1 apex inflexed (Fig. 2B), stronger and forming a tubular border in A. mulleri; F1 shorter than F2; F3 never wider than long; hind tibia anterior surface usually without abundant tiny setae among long setae (sparse tiny setae in A. atlantica sp. nov.); punctation on mesoscutum variable ...................................................................... 9

7(6) Clypeus distinctly longer than wide, pronounced, giving an elongated aspect to the head (Fig. 16B); S1 without elevation (as in Fig. 1H).......................................................................... A. esox (Vachal, 1911)

- Clypeus about as long as wide, not pronounced; S1 with a slight tuberculate elevation (as in Fig. 1I).................. 8

8(7) Preepisternum crowded punctate; T1 and T2 with tiny punctures; body usually green with golden reflections and brownish areas on metasomal terga...................................................... A. braziliensis (Vachal, 1911)

- Preepisternum contiguously punctate; T1 and T2 with average size punctures; body usually green with blue iridescences, although entirely blue or black specimens are common..................................... A. daphnis Smith, 1853

9(6) Mesoscutum and mesepisternum with foveate punctation (Figs. 18A, C and 35A, C); propodeum lateral carinae ending above propodeum half, mixing with foveate punctures; fore and mid femora strongly swollen............................ 10

- Mesoscutum and mesepisternum punctation variable, small to coarse punctures, never foveate; propodeum lateral carinae ending below propodeum half; fore and mid femora usually not swollen, if swollen then body never with foveate punctures.. 11

10(9) Preepisternum densely to contiguously punctate near pronotal lobe; posterior margin of fore femur regularly rounded; postgena densely pubescent; lateral areas of mesosoma mostly black or dark blue; head usually copper-red.................................................................................................. A. perimelas Cockerell, 1900

- Preepisternum crowded punctate near pronotal lobe, without well-defined punctures; posterior margin of fore femur angulate; postgena pubescence forming a distinctly dense brush; lateral areas of mesosoma with green reflection; head usually green with golden reflection............................................................... A. foxiana Cockerell, 1900

11(9) With the following combination: clypeus apex without yellowish band, apical border hidden below (Figs. 20B and 41C); labrum black; preepisternum crowded punctate to rugose; T2 marginal area with punctate portion as long as or shorter than impunctate apical black band (as in Fig. 3G).............................................................. 12

- Without the combination above........................................................................ 13

12(11) T1 anterior surface without abundant tiny setae among long setae, dorsal surface usually with purplish iridescences; hypoepimeral area contiguously to crowded punctate......................................... A. francisca Schrottky, 1902

- T1 anterior surface with abundant tiny setae among long setae, dorsal surface without purplish iridescences; hypoepimeral area densely punctate..................................................................... A. scabrata sp. nov.

13(11) T1 densely punctate, punctures coarse (Fig. 31D), apex inflection forming a tubular border; T2 disc strongly protuberant; mesoscutum disc densely punctate (I <PD)............................................. A. mulleri Cockerell, 1900

- T1 sparsely punctate, tiny to average size punctures, apex not forming a tubular border (Fig. 2B); T2 disc not strongly protuberant; mesoscutum disc punctation variable ................................................................ 14

14(13) T1 anterior surface with abundant tiny setae among long setae; mesoscutum dorsally darkened, sparsely punctate posterior to median line; hind tibia anterior surface with sparse tiny setae among long setae; metapostnotum medially almost as long as scutellum........................................................................... A. atlantica sp. nov.

- T1 anterior surface without abundant tiny setae among long setae; mesoscutum usually not darkened, punctation variable; hindtibia anterior surface without tiny setae among long setae; metapostnotum usually far shorter than scutellum........... 15

15(14) Clypeus apex without yellowish marks.................................................................. 16

- Clypeus apex with yellowish band, sometimes restricted to corners............................................ 18

16(15) Sublateral surface of T2 marginal area with punctate portion usually as long as or longer than impunctate apical dark band (Fig. 3F); preepisternum contiguously punctate; pronotum dorsolateral angle obtuse and reflexed upwards (as in Fig. 3C)........................................................................................... A. genalis sp. nov.

- Sublateral surface of T2 marginal area with punctate portion shorter than apical dark band (Fig. 3G); preepisternum densely punctate; pronotum dorsolateral angle usually not reflexed upwards........................................... 17

17(16) Mesoscutum with sparser punctation on disc (I> PD), microreticulate in between, usually with copper reflections; labrum, flagellum ventral surface, tibiae and tarsi yellow to brown............................. A. cydippe (Schrottky, 1910)

- Mesoscutum punctation on disc not so sparser (I <PD), smooth in between, usually without copper reflections; labrum, flagellum ventral surface, tibiae and tarsi black.......................................... A. nausicaa (Schrottky, 1909)

18(15) Mesoscutum disc punctate to densely punctate (I <PD)..................................................... 19

- Mesoscutum disc sparsely punctate (I> PD).............................................................. 21

19(18) Clypeus wider than long; F1 with the same color as F2; body usually blue, without golden reflections.................................................................................................. A. laevicarinata sp. nov.

- Clypeus not wider than long; F1 distinctly lighter than F2; body frequently with golden reflections................... 20

20(19) T3 coarsely punctate near base, loosely imbricate on disc; T2 smooth near marginal area....... A. seitzi (Cockerell, 1929)

- T3 weakly punctate near base, strongly imbricate on disc; T2 loosely imbricate near marginal area.............................................................................................. A. phoemonoe (Schrottky, 1909)

21(18) Mesoscutum disc darkened, punctures coarse; scape usually with green reflection; metapostnotum posterior surface slightly protuberant and with transversal carinae............................................ A. pyrgo (Schrottky, 1910)

- Mesoscutum disc not darkened, average size punctures; scape without green reflection; metapostnotum posterior surface not protuberant, transversal carinae absent................................................................... 22

22(21) Antennae brownish and with elongate aspect (F3 usually much longer than wide); S3 entirely with dense pubescence; hind basitarsus brownish; mesoscutum usually with golden reflection...................... A. thusnelda (Schrottky, 1909)

- Antennae dark and with shortened aspect (F3 usually about as long as wide); S3 with dense pubescence only on apical third; hind basitarsus pale yellowish; mesoscutum usually without golden reflection............. A. caerulior Cockerell, 1900