Prionodera

Flowers, R. Wills, 2004, A review of the Neotropical genus Prionodera Chevrolat (Coleoptera, Chrysomelidae, Eumolpinae) with description of a new genus, Zootaxa 631, pp. 1-54 : 6-8

Key to the species of Prionodera

1 Body ovate, relatively short; sides of elytra curved at middle ( Fig. 8 ), color dark blue

....................................................................................................... cyanea (Lefèvre) 1' Body elongate­ovate; sides of elytra subparallel at middle, color variable............ 2

2 (1) Intercoxal process of prosternum depressed posterior to forecoxae, and with apical margin distinctly concave ( Fig. 10 ) ........................................................................ 3

2' Intercoxal process of prosternum not depressed, apical margin truncate or very shallowly concave................................................................................................... 6

3.(2) Body with at least faint metallic sheen, usually metallic green or copper ............... ....................................................................................................... merana Bechyné

3' Body entirely tan or brown .................................................................................... 4

4 (3') Body and elytra entirely light tan ( Fig. 5 ). ........................................ lutea Erichson

4' Body dark brown, elytra dark brown or brown and tan ......................................... 5

5 (4') Body and elytra entirely dark chocolate brown; intervals on elytral disc sharply costate .............................................................................................. arimanes n. sp.

5' Elytra light brown with dark brown sutural and lateral margins, intervals of elytral disc flat .................................................................................... peruviana (Bechyné)

6 (2') Head, pronotum and body reddish or yellowish brown, elytra blue ( Fig. 3 ).......... 7

6' Elytra same color as head and pronotum ( Figs 1, 2, 4, 5 ) ..................................... 8

7 (6) Elytra shining blue, punctures in striae ......................................... bicolor (Olivier)

7' Elytra matte blue, punctation confused ...................................... marshalli Lefèvre

8 (6') Body and elytra metallic green, blue, or coppery .................................................. 9

8' Body and elytra brown or tan, sometimes with faint metallic sheen.................... 14

9 (8) Legs reddish brown to dark brown, contrasting with metallic blue or green body and elytra ......................................................................................... dichroma n. sp.

9' Legs same metallic color as body and elytra........................................................ 10

10 (9') Apical declivity of elytra with two or three elytral intervals weakly to strongly inflated ( Figs 11, 12 ) ............................................................................................ 11

10' Elytral intervals not differentially inflated or swollen above apical declivity ........ ....................................................................................................... kirschi (Lefèvre)

11 (10) Elytral intervals costate and elytral interval III strongly produced posteriorly at apical declivity ( Fig. 11 ) ....................................................................................... 12

11' Elytral intervals fused and only weakly swollen at apical declivity ( Fig. 12 )...... 13

12 (11) Pronotum more evenly and densely punctate ( Fig. 14 ) ..................... costata (Baly)

12' Pronotum more sparsely and irregularly punctate ( Fig. 13 ) ............ adiastola n. sp.

13(11') Color bright metallic green, known from central to northern Costa Rica ( Fig. 3 ) .. ....................................................................................................... esmeralda n. sp.

13' Color dark blue­green, known from Panamá........................................... nila n. sp.

14 (8') Legs concolorous yellowish brown .............................................. gaiophanes n. sp.

14' Legs yellowish brown with tarsi and femoral­tibial joints darker brown............. 15

15 (14')Apex of median lobe with projections digitate and angled downward (Fig. 32), known from Panamá and Colombia.................................................. furcada n. sp.

15' Apex of median lobe with projections shorter and not angled downward (Fig. 41), known from the central Amazon Basin ....................................... geniculata (Baly)

Figures

FIGURES 6 – 14. 6. P. merana Bechyné, fore femur; 7. P. es mera ld a Flowers, pygidium; 8. P. cy a ­ nea (Lefèvre), dorsal outline; 9. P. furcada Flowers, basitarsi: left, foretarsus; right, mesotarsus; 10. P. m e r a n a Bechyné, prosternum, three­quarter view; Figs. 11 – 12, elytral apices, 11. P. c o s t a t a (Baly); 12. P. e s m e r a l d a Flowers; Figs. 13 – 14, pronota, 13. P. adiastola Flowers; 14. P. costata (Baly).

FIGURES 1 – 5. Prionodera, dorsal view. 1. P. arimanes Flowers, female; 2. P. e s m e r a l d a Flowers male; 3. P. b i c o l o r (Olivier), male; 4. P. nila Flowers, male; P. lutea Erichson, female.