Phthiarella, Brailovsky, 2009

KEY TO SPECIES OF PHTHIARELLA View in CoL

1 Coxae and trochanters yellow to yellowish orange........................................................... 2

- Coxae and trochanters black with or without green, bluish or purple metallic reflections ( Figs. 43‒58)………….. “ Dedita” group............................................................................................. 22

2 Femora black with green, bluish or purple metallic reflections and always with basal joint yellow to yellowish orange ( Figs. 1‒22)……… “ Decorata View in CoL ” group.......................................................................... 3

- Femora entirely yellow to yellowish orange…… “Femorata View in CoL ” group ( Figs. 23‒42)................................ 13

3 Clavus entirely yellow; corium yellow with apical third black ( Figs. 19‒20)........................ P. sponsa (Breddin) View in CoL

- Clavus metallic green or black with green or bluish or purple metallic reflections; corium metallic green or black with green, or bluish or purple metallic reflections and with or without wide yellow to yellowish orange transverse fascia.............. 4

4 Corium black with green or bluish or purple metallic reflections and without wide yellow to yellowish orange transverse fascia............................................................................................... 5

- Corium metallic green or black with green or bluish or purple metallic reflections and always with wide yellow to yellowish orange transverse fascia................................................................................ 7

5 Pronotum black with bluish metallic reflections and without wide yellow to yellowish orange transverse fascia..................................................................................... P. caliginosa , sp. nov. ( Figs. 3‒4)

- Pronotum black with green or bluish metallic reflections and always with wide yellow to yellowish orange transverse fascia. ................................................................................................... 6

6 Large species, longer than 18.50 mm; antennal segment II longer than 4.95 mm; posterior lobe of pronotal disk, scutellum, clavus, and corium black with bluish and purple reflections; hemelytral membrane dark brown with bluish reflections................................................................................ P. lanterna , sp. nov. ( Figs. 1‒2)

- Shorter species, less than 17.00 mm; antennal segment II shorter than 4.75 mm; posterior lobe of pronotal disk, scutellum, clavus and corium black with metallic green reflections................................ P. ignota , sp. nov. ( Figs. 5‒6)

7 Pronotum black with bluish metallic reflections and without wide yellow to yellowish orange transverse fascia; abdominal sternite III-IV yellow........................................................... P. decens , sp. nov. ( Figs. 7‒8)

- Pronotum black with green or bluish or purple metallic reflections and always with wide yellow to yellowish orange transverse fascia; abdominal sternite with another condition.............................................................8

8 Abdominal sterna III-VII metallic green with wide yellow longitudinal stripe running across midline; humeral angles with large acute spine directed outward and upward......................................... P. glarea , sp. nov. ( Figs. 21‒22)

- Abdominal sterna III-VII without yellow longitudinal stripe running across midline; humeral angles with short to medium size spine directed outward and usually backward............................................................... 9

9 Abdominal sterna III-VII entirely metallic green............................................................ 10

- Abdominal sternite III or III-IV yellow to yellowish orange and V-VII including male genital capsule and female genital plates metallic green....................................................................................... 11

10 Corium black with metallic bluish reflections and incomplete wide yellow to yellowish orange transverse fascia, not reaching the costal borders; pronotal disk with wide and complete yellow to yellowish orange fascia reaching the anterolateral borders; humeral angles elongate, acute, directed outward and gently backward…............... P. flebilisa , sp. nov. ( Figs. 15‒16)

- Corium black with bluish reflections and wide complete yellow to yellowish orange fascia reaching the costal borders; pronotal disk with wide, incomplete yellow to yellowish orange transverse fascia not reaching the anterolateral borders; humeral angles short, directed outward........................................... P. viridiventris, Blöte ( nov. comb) ( Figs. 13‒14)

11 Abdominal sternite III yellow and IV metallic green................................. P. privata , sp. nov. ( Figs. 11‒12)

- Abdominal sterna III-IV yellow..........................................................................12

12 Pronotal disk metallic green with wide yellow to yellowish orange transverse fascia; humeral angles acute, basally robust; clavus metallic green; corium metallic green with wide yellow to yellowish orange transverse fascia; dorsal abdominal segments III-IV orange, V-VII black........................................................ P. morsa , sp. nov. ( Figs. 17‒18)

- Anterior lobe of pronotal disk with collar and calli metallic green, with wide yellow to yellowish orange transverse fascia; posterior lobe black, scattered with bluish metallic reflections; clavus black scattered with bluish metallic reflections; corium black scattered with bluish metallic reflections with wide yellow to yellowish orange transverse fascia; dorsal abdominal segments III-VI orange, VII orange with posterior margin black…........................ P. decorata Stål View in CoL ( Figs. 9‒10)

13 Corium with wide yellow to yellowish orange transverse fascia behind claval commissure.......................... 14

- Corium entirely metallic without yellow transverse fascia behind claval commissure............................... 20

14 Propleura with wide yellow subtriangular spot; humeral angles large and acute........... P. affinis (Distant) View in CoL ( Figs. 29‒30)

- Propleura almost entirely metallic green, without yellow subtriangular spot; humeral angles shorter ( Fig. 32)........... 15

15 Abdominal sternite III metallic green........................................... P. guanaya , sp. nov. ( Figs. 31‒32)

- Abdominal sternite III yellow to yellowish orange...........................................................16

16 Abdominal sternite IV yellow to yellowish orange.......................................................... 17

- Abdominal sternite IV metallic green with anterior half of pleural margin yellow to yellowish orange.................. 19

17 Pronotal disk with wide yellow to yellowish orange transverse fascia............................................18

- Pronotal disk without yellow to yellowish orange transverse fascia……................. P. saphisa , sp. nov. ( Figs. 37‒38)

18 Antennal segment I dark orange with basal and apical joint black with metallic iridescence; propleura without yellow spot near upper margin; humeral angles short, acute, directed outward........................ P. rondonia , sp. nov. ( Figs. 35‒36)

- Antennal segment I black with metallic iridescence; propleura with small yellow spot near upper margin; humeral angles short, directed backward.......................................................... P. serrulata , sp. nov. ( Figs. 39‒40)

19 Pronotal disk with wide yellow to yellowish orange transverse fascia…............. P. sucumbiosa , sp. nov. ( Figs. 41‒42)

- Pronotal disk without yellow to yellowish transverse fascia.......................... P. procera , sp. nov. ( Figs. 33‒34)

20 Pronotal disk with wide yellow to yellowish orange transverse fascia.................... P. xantha , sp. nov. ( Figs. 27‒28)

- Pronotal disk without yellow to yellowish orange transverse fascia..............................................21

21 Abdominal sternite III metallic green.......................................... P. femorata (Breddin) View in CoL ( Figs. 23‒24)

- Abdominal sternite III yellowish orange.......................................... P. durena , sp. nov. ( Figs. 25‒26)

22 Pronotal disk entirely metallic with bluish green reflections....................................................23

- Pronotal disk metallic with bluish green reflections and wide yellow to yellowish orange transverse fascia.............. 25

23 Corium entirely metallic with bluish green reflections............................. … P. lancea , sp. nov. ( Figs. 49‒50)

- Corium metallic with bluish green reflections and wide yellow to yellowish orange transverse fascia.................. 24

24 Abdominal sterna III-IV entirely metallic green.................................... P. dedita , sp. nov. ( Figs. 43‒46)

- Abdominal sternite III yellowish orange and IV yellowish orange with posterior margin metallic green........................................................................................... P. scintilla , sp. nov. ( Figs. 47‒48)

25 Corium entirely metallic with bluish green reflections.............................. P. interula , sp. nov. ( Figs. 51‒54)

- Corium metallic with bluish green reflections and wide yellow to yellowish orange transverse fascia............................................................................................ P. nubecula , sp. nov. ( Figs. 55‒58)