Oreodera

Key to species of Oreodera recorded from Bolivia

(For comparison, see photographs at Bezark 2016)

1 Elytra with longitudinal band of white pubescence restricted to sides, distinctly not projected toward dorsal surface, and visibly contrasting with remaining pubescence. Panama, Ecuador, Bolivia, French Guiana, Brazil (Pará, Rondônia).................................................................................................. O. cretata Bates, 1861

- Elytra with different pubescence pattern................................................................... 2

2(1) Elytra with sparse, moderately large tubercles on disc of basal half. Ecuador, Colombia, Peru, Bolivia ............................................................................................... O. tuberculata Thomson, 1865

- Elytra without tubercles on disc of basal half or, at most, with very small tubercles..................................3

3(2) Pronotum with distinct U-shaped macula. Ecuador, Peru, Bolivia ..................... O. olivaceotincta Tippmann, 1953

- Pronotum without U-shaped macula...................................................................... 4

4(3) Elytra with transverse band of dark pubescence on basal quarter................................................ 5

- Elytra lacking such pubescence.......................................................................... 8

5(4) Elytra strongly tapering toward apex. Bolivia ....................................... O. hassenteufeli (Fuchs, 1958)

- Elytra slightly tapering toward apex...................................................................... 6

6(5) Elytra without distinct transverse band of light pubescence at about midlength. French Guiana, Bolivia ........................................................................................... O. basipenicillata Tippmann, 1960

- Elytra with transverse band of light pubescence at about midlength............................................. 7

7(6) Outer apical angle of elytra spined; basal third of elytra granulate-punctate. Costa Rica, Panama, Ecuador, Guyana, French Guiana, Bolivia, Brazil (Amapá, Pará, Mato Grosso)....................................... O. fluctuosa Bates, 1861

- Outer apical angle of elytra rounded; basal third of elytra punctate. Bolivia .......................... O. clarkei sp. nov.

8(4) Elytra with narrow, transverse dark band on distal third....................................................... 9

- Elytra without transverse dark band..................................................................... 10

9(8) Outer apical angle of the elytra spined; basal third of the elytra without longitudinal dark band near suture. Mexico (Jalisco, Oaxaca, Puebla, Sinaloa, Chiapas, Quintana Roo, Tamaulipas, Morelos), Guatemala, Honduras, Nicaragua, Costa Rica, Panama, Haiti, Dominican Republic, Dominica, Guadeloupe, Jamaica, Puerto Rico, Bahamas, St. Lucia, Cayman Islands, Colombia, Venezuela, Surinam, French Guiana, Guyana, Piauí, Brazil (Amapá, Amazonas, Pará, Rondônia, Mato Grosso, Maranhão, Piauí, Sergipe, Alagoas, Paraíba, Bahia, Minas Gerais, Espírito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina, Rio Grande do Sul), Bolivia, Paraguay, Argentina (Salta, Misiones, Chaco), Uruguay....... O. glauca glauca (Linnaeus, 1758)

- Outer apical angle of the elytra not spined; basal third of the elytra with longitudinal, small and very narrow dark band near suture. Bolivia, French Guiana, Brazil (Amazonas, Pará, Mato Grosso, Maranhão, Goiás, Bahia, São Paulo), Paraguay.................................................................................... O. paulista Tippmann, 1953

10(8). Elytra with large macula of white pubescence covering much of the sides of basal half or more, but not reaching the scutellum.................................................................................................. 11

- Elytra without such white macula or, if present, reaching at least apex of the scutellum............................. 14

11(10) Macula of white pubescence of basal half of the elytra not laterally notched by dark area. Bolivia, Brazil (Rio de Janeiro, São Paulo, Paraná, Santa Catarina, Rio Grande do Sul), Argentina (Misiones)....................... O. ohausi Melzer, 1930

- Macula of white pubescence of basal half of the elytra notched laterally by dark area...............................12

12(11) Distal quarter of the elytra not mostly covered with white pubescence. Peru, Bolivia, Brazil (Mato Grosso)......................................................................................... O. lanei Monné & Fragoso, 1988

- Distal quarter of the elytra mostly covered with white pubescence............................................. 13

13(12) Ring of light colored pubescence on antennomeres restricted to base. Peru, Bolivia, Brazil (Acre, Rondônia, Mato Grosso)................................................................................ O. boliviana Tippmann, 1960

- Ring of light colored pubescence on antennomeres covering basal half or more. Peru, Bolivia... O. forsteri Tippmann, 1960

14(10) Pronotum with only two tubercles. Colombia, Ecuador, Peru, Bolivia, French Guiana, Guyana, Brazil (Amazonas, Pará, Rondônia, Mato Grosso, Maranhão).......................................... Oreodera bituberculata Bates, 1861

- Pronotum with three distinct tubercles or three slightly distinct gibbosities...................................... 15

15(14) Pronotum lacking distinct tubercles, but with clearly visible gibbosities. Ecuador, Bolivia, French Guiana, Brazil (Amapá, Amazonas, Pará, Rondônia, Maranhão).................................................. O. simplex Bates, 1861

- Pronotum distinctly tuberculate........................................................................ 16

16(15) Lateral dark macula on sides of distal half of elytra elongate and bisinuate toward disc and its apex near elytral apex. Panama, Colombia, Venezuela, Ecuador, Suriname, French Guiana, Peru, Bolivia, Brazil (Amazonas, Pará, Maranhão, Paraíba, Bahia, Minas Gerais, Espírito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina, Rio Grande do Sul), Argentina (Misiones), Paraguay, Uruguay.............................................................. O. aerumnosa Erichson, 1847

- Lateral dark macula on sides of distal half of elytra ending well short of elytral apex.............................. 17

17(16) Central area of pronotum finely punctate. Bolivia, Brazil (Mato Grosso do Sul), Argentina (Formosa)............................................................................................ O. occulta Monné & Fragoso, 1988

- Central area of the pronotum coarsely punctate............................................................ 18

18(17) Punctures along central area of the pronotum sparse; posterolateral dark macula of the elytra narrowly and obliquely projected toward center of the disc. Bolivia ................................................ O. semiporosa Tippmann, 1960

- Punctures along central area of the pronotum abundant; posterolateral dark macula of the elytra not projected toward center of the disc. Bolivia, Brazil (Alagoas, Ceará, Bahia, Minas Gerais, Espírito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina, Rio Grande do Sul), Argentina, Paraguay................................ O. quinquetuberculata (Drapiez, 1820)