Globothorax

Rosa, Simone Policena, 2011, New species of Triplonychus Candèze and Globothorax Fleutiaux from Brazil (Coleoptera, Elateridae, Cardiophorinae), Zootaxa 2831, pp. 1-22 : 2-3

Key to Brazilian species of Globothorax and Triplonychus

1. Prothorax with lateral sides strongly rounded ( Fig. 54), mandibles with lateroventral margin curved 90 o to apex ( Fig. 76)................................................................................ 2 Globothorax Fleutiaux, 1891

- Prothorax with lateral sides subparallel to rounded ( Figs. 3, 21), mandibles with lateroventral margin gradually ( Fig. 74) or abruptly ( Fig. 75) curved to apex................................................. 3 Triplonychus Candèze, 1860

2. Frontal carina present and produced, labrum semielliptical, posterior leg with trochanter convex, tibia slightly widened apicad with long and fine spiniform setae ( Fig. 105–107)..................................... G. chevrolati Fleutiaux, 1891

- Frontal carina absent, labrum trapezoidal with apex acute, posterior leg with trochanter and femur strongly convex, tibia wide with short and stout spiniform setae ( Fig. 88) (MT) ( Figs. 50, 76, 104)............................ G. latidens sp. nov.

3 (1). Prothorax longer than wide............................................................................. 4

- Prothorax as wide as or wider than long.................................................................. 6

4 (3). Frontal carina strongly produced, mandibles tridentate........................................................ 5

- Frontal carina not produced, mandibles unidentate (MS) ( Figs. 35, 75, 103)....................... T. tibialatus sp. nov.

5 (4). Pronotum with double punctation......................................................................... 7

- Pronotum with single punctation (PA, BA)......................................... T. ephipiger Eschscholtz, 1829

6 (3). Pronotum with double punctation....................................................................... 10

- Pronotum with single punctation......................................................................... 11

7 (5). Pronotum dark brown to black with a pair of longitudinal orange stripes (AM, PA, MT)........ T. plagiatus Erichson, 1846

- Prothorax brown to black without orange stripes............................................................ 8

8 (7). Elytra evenly brown or brown with anterior margin reddish-brown.............................................. 9

- Elytra brown with lateral and sutural edges dark brown to black (PA)....................... T. ventralis Candèze, 1860

9 (8). Elytra brown with humeral margin reddish-brown, interstices 3, 5, and 7 carinate at apex, legs yellowish with apex of femur, dorsal margin of tibiae and tarsi darker (BA, PE)...................................... T. longicollis Erichson, 1840

- Elytra evenly colored, interstices 3, 5, 7 not carinate, legs evenly yellowish (PA)................. T. fulvus Candèze, 1865

10 (6). Mandibles unidentate, meso- and metatibiae tibiae broadened, metafemur convex (MS) ( Figs. 35, 75, 84, 85, 103).............................................................................................. T. tibialatus sp. nov.

- Mandibles tridentate, legs slender (PA)................................................... T. rufus Candèze, 1860

11 (6). Mandibles small, legs slender......................................................................... 12

- Mandibles large, metafemur broadened and convex, tibiae widened apicad (MA) ( Figs. 20, 82, 102). T. crassifemoris sp. nov.

12 (11). Antenna reaching hind angles of prothorax, elytral interstices 3, 5 and 7 carinate at apex (PA).... T. costatus Candèze, 1860

- Antenna surpassing the hind angles of prothorax by two or three antennomeres, elytral interstices 3, 5 and 7 not carinate at apex (AM) ( Figs. 101)................................................................ T. cruspinosus sp. nov.