Mephritus

Galileo, Maria Helena M., Martins, Ubirajara R. & Santos-Silva, Antonio, 2014, New species of Elaphidiini (Coleoptera, Cerambycidae) from Bolivia, Zootaxa 3884 (3), pp. 275-281 : 279-280

Key to the South-American species of Mephritus

1 Elytra brown, orange or reddish with contrasting bands or spots................................................. 2

- Elytral coloration homogenous, sometimes with apex or margins darkened........................................ 6

2(1) Elytra orange, with three slightly darker stripes; head posterior to eye and apical margin of prothorax with narrow, gold pubes- cent stripes. French Guiana, Brazil (Amazonas)............................. M. auricolle Tavakilian & Martins, 1991

- Elytra otherwise; head and prothorax without gold pubescent stripes............................................ 3

3(2) Elytra orange with apical fifth black...................................................................... 4

- Elytra with contrasting spots............................................................................. 5

4(3) Antennae and legs black to reddish-black; head reddish; prothorax with oblique sides toward central tubercle. Mexico, Nicara- gua, Costa Rica, Panama, Brazil (Rondônia)........................................... M. apicatus (Linsley, 1935)

- Scape black, flagellomeres red-orange; head black; legs orange; prothorax with subparallel sides.. Brazil (Amazonas).......................................................................... M. apicepullus Galileo & Martins, 2011

5(3) Elytra orange, with two small, black, subcircular spots, positioned on a nearly transverse line on posterior half. Bolivia........................................................................ M. quadrimaculatus Martins & Napp, 1992

- Elytra reddish, with a dark margined, large, yellowish spot occupying almost entire anterior half, positioned a little before mid- dle. Suriname, French Guiana, Brazil (Pará, Maranhão, Piauí, Rondônia, Goiás, Mato Grosso, Mato Grosso do Sul, Minas Gerais, Espírito Santo, São Paulo, Rio Grande do Sul), Bolivia, Paraguay................... M. blandus (Newman, 1841)

6(1) Elytra black, reddish-black or dark-brown.................................................................. 7

- Elytra reddish-brown to yellowish-brown................................................................. 13

7(6) Elytra with piliferous punctures not contrasting.............................................................. 8

- Elytra with contrasting piliferous punctures............................................................... 11

8(7) Prothorax reddish. Brazil (Amazonas, Pará, Rondônia, Piauí, Ceará, Paraíba, Pernambuco, Sergipe, Bahia, Minas Gerais, Goiás, Mato Grosso do Sul, Maranhão, São Paulo, Paraná, Santa Catarina), Paraguay........... M. callidioides Bates, 1870

- Prothorax dark-brown to black.......................................................................... 9

9(8) Apex of elytra with marginal spine; punctures with short setae. Brazil (Amazonas)....... M. estoni Galileo & Martins, 2011

- Apex of elytra unarmed; punctures with long setae......................................................... 10

10(9) Sides of prothorax with acute tubercle; base of elytra with tuberculated punctures. Peru...................................................................................................... M. castaneus Martins & Napp, 1992

- Sides of prothorax with round tubercle; elytra without tuberculated punctures. Bolivia............. M. eleandroi sp. nov.

11(7) Elytra with large, contrasting, piliferous punctures. Bolivia................................. M. punctulatus sp. nov.

- Elytra with small, contrasting, piliferous punctures.......................................................... 12

12(11) Scape and femora yellowish-brown, contrasting with dark-brown body. Bolivia..................... M. bonasoi sp. nov.

- Scape and femora same color as body. Bolivia................................................. M. meyeri sp. nov.

13(6) Elytra with contrasting punctures........................................................................ 14

- Elytra without contrasting punctures...................................................................... 18

14(13) Piliferous punctures of elytra large (diameter subequal to half width of pedicel). Brazil (Minas Gerais, Bahia to São Paulo)................................................................................. M. adelphus (Martins, 1973)

- Piliferous punctures small with diameter less than half width of pedicel.......................................... 15

15(14) Lateral spine of prothorax with apex directed posteriorly; scape with coarse punctures. Brazil (Rio de Janeiro, São Paulo, Paraná)................................................................. M. genuinus Napp & Martins, 1982

- Prothorax armed with a lateral spine not directed posteriorly; scape without coarse punctures........................ 16

16(15) Elytral apex with long marginal spine. Brazil (Goiás, Bahia, Minas Gerais, Espírito Santo, Rio de Janeiro, São Paulo)..................................................................................... M. serius (Newman, 1841)

- Elytral apex with short marginal spine.................................................................... 17

17(16) Scape and basal flagelomeres dark-brown; elytra darkened along margin; piliferous punctation of elytra reduced, slightly con- trasting. Brazil (Bahia, Espírito Santo, Rio de Janeiro, Goiás, Minas Gerais, São Paulo, Paraná, Santa Catarina)......................................................................................... M. flavipes (Gounelle, 1909)

- Scape orange, flagellomeres dark-brown; elytra without dark margins; piliferous punctation of elytra contrasting and organized in rows. Brazil (Minas Gerais), Bolivia......................................... M. guttatus Napp & Martins, 1982

18(13) Prothorax reddish or brownish-yellow.................................................................... 19

- Prothorax reddish-brown to dark-brown.................................................................. 21

19(18) Head black. Brazil (Amazonas).............................................. M. vescus Galileo & Martins, 2011

- Head reddish........................................................................................ 20

20(19) Antennae and legs reddish. Brazil (Goiás, Mato Grosso, Maranhão)................. M. destitutus Napp & Martins, 1982

- Basal flagellomeres and tibiae black, scape and femora reddish. Brazil (Bahia).......... M. citreus Napp & Martins, 1982

21(18) Apical spine of antennomere III shorter than width of antennomere; elytral apex acuminate, with long spine; elytral pubes- cence dense, with short setae intermixed, restricted to row next to suture. Brazil (Goiás, Espírito Santo, Minas Gerais, Rio de Janeiro, São Paulo, Santa Catarina)................................................ M. amictus (Newman, 1841)

- Apical spine of antennomere III (♀) longer than width of antennomere; elytral apex slightly projected on marginal angle; silky pubescence of body elongate with abundant, long setae on surface. Peru............ M. fraterculus Martins & Napp, 1992