Cnemomis

Brailovsky, Harry, 2015, Description of five new species of Cnemomis, with a key to the known species (Hemiptera: Heteroptera: Coreidae: Discogastrini), Zootaxa 3931 (3), pp. 413-422 : 421-422

Key to the known species of Cnemomis

1. Scutellum entirely black ( Brazil) ( Fig. 12 ).............................................. C. nigroscutellata sp. nov.

- Scutellum yellow, orange or red colors, and never black....................................................... 2

2. Scutellar disk dull orange with two basal spots creamy yellow lateral to midline or basal margin entirely creamy yellow, never green ( Brazil, Ecuador, French Guyana, Surinam) ( Fig. 17 )......................... C. ticinensis Brailovsky & Barrera

- Scutellar disk basally without creamy yellow area............................................................3

3. Head green; pronotum shiny green with a continuous, yellow, median longitudinal stripe, extending from anterior to posterior border ( Bolivia, Brazil, Peru, Surinam) ( Fig. 9 )............................................... C. gracilis (Dallas)

- Head yellowish to orange; pronotum reddish brown or yellow or orange, with or without yellow or black median longitudinal stripe, contrasting with the surface........................................................................4

4. Pronotum with a yellow, orange or black, median longitudinal stripe contrasting with the surface......................5

- Pronotum without yellow, orange, or black, median longitudinal stripe........................................... 6

5. Pronotal with central black digitiform spot surrounded anteriorly and laterally with yellow, then darker laterally; head yellow; clavus brown with claval vein and posterior margin yellow ( Bolivia, Brazil, Peru) ( Fig. 13 )............... C. cognata Stål

- Pronotal disk pale orange with a yellow, median longitudinal stripe; head pale castaneous orange with a pale yellowish longitu- dinal stripe across the middle; clavus shiny red with claval vein and posterior margin yellow ( Peru) ( Fig. 15 ).................................................................................................. C. primigena sp. nov.

6. Yellowish transverse fascia on corium always present; posterior half of corium dark reddish with apical angle and apical mar- gin yellow; pronotum pale brown with all marginal areas yellow ( Brazil, Ecuador) ( Fig. 8 )....................................................................................................... C. fasciata Brailovsky & Barrera

- Yellowish transverse fascia on corium absent; posterior half of corium and pronotum with another color combinations.....7

7. Humeral angles tapering into medium-sized spine, pointing laterally and barely posteriad; pronotal disk yellow with humeral angles and wide rectangular area at posterior lobe dark reddish brown (French Guyana) ( Fig. 11 )......... C. lepida sp. nov.

- Humeral angles obtuse or barely exposed; pronotal disk without dark reddish brown rectangular area...................8

8. Antennal segments II and III entirely dark castaneous, or dark reddish brown to black............................... 9

- Antennal segments II and III yellowish or not entirely dark castaneous or dark reddish brown to black................. 11

9. Basal angle of hemelytral membrane yellow, translucent ( Brazil, French Guiana) ( Fig. 10 ).......... C. kondratieffi sp. nov.

- Basal angle of hemelytral membrane black................................................................ 10

10. Antennal segments II–III dark reddish brown; humeral angles rounded; total body length longer than 16.00 mm; length of antennal segment I longer than 4.00 mm, and IV longer than 4.50 mm; female genital plates black ( Venezuela).................................................................................................. C. refulgens sp.nov.

- Antennal segments II–III pale castaneous orange; humeral angles subacute; total body length less than 13.00 mm; length of antennal segment I less than 3.00 mm, and IV less than 4.40 mm; male genital capsule yellowish orange ( Brazil) ( Fig. 7 ).............................................................................. C. excavata Brailovsky & Barrera

11. Antennal segments II and III reddish brown with apical joint yellow; connexival segment VII dark brown ( Argentina, Bolivia, Brazil, Peru) ( Fig. 13 )....................................................... C. nodulosa Brailovsky & Barrera

- Antennal segments II and III yellow with apical joint pale brown or entirely dark to pale castaneous orange; connexival seg- ment VII yellowish orange..............................................................................12

12. Antennal segment IV yellowish with basal joint and distal half brown ( Brazil) ( Fig. 14 ).................. C. pallens (Stål)

- Antennal segment IV entirely dark to pale castaneous orange ( Bolivia, Brazil, Peru, Venezuela) ( Fig. 6 ).... C. dubia (Dallas)

Figures

FIGURES 9 – 12. Dorsal view of Cnemomis spp. 9, C. gracilis (Dallas) (female). 10, C. kondratieffi sp. nov. (male). 11, C. lepida sp. nov. (female). 12, C. nigroscutellata sp. nov. (female).

FIGURES 13 – 17. Dorsal view of Cnemomis spp. 13, C. nodulosa Brailovsky & Barrera. (male). 14, C. pallens (Stål) (female). 15, C. primigena sp. nov. (female). 16, C. refulgens sp. nov. (female). 17, C. ticinensis Brailovsky & Barrera (female).

FIGURES 5 – 8. Dorsal view of Cnemomis spp. 5, C. cognata Stål (male). 6, C. dubia (Dallas) (female). 7, C. excavata Brailovsky & Barrera (male). 8, C. fasciata Brailovsky & Barrera (male).