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 90o 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.

Figures

FIGURES 49 – 60. Globothorax latidens sp. nov. 49, antenna; 50, labrum; 51, mandible; 52, labium; 53, maxilla; 54 – 56, prothorax (dorsal, lateral, ventral); 57, 58, pterothorax (ventral, lateroventral); 59, wing; 60, abdomen.

FIGURES 68 – 76. Triplonychus cruspinosus sp. nov. 68, maxilla; 69, detail of maxilla; 70, labium. T. tibialatus sp. nov. 71, maxilla; 72, detail of maxilla; 73, labium. Head: 74, T. cruspinosus sp. nov.; 75, T. tibialatus sp. nov.; 76, Globothorax latidens sp. nov.

FIGURES 1 – 8. Triplonychus cruspinosus sp. nov. 1, antenna; 2, mandible (dorsal); 3 – 5, prothorax (dorsal, lateral, ventral); 6, abdomen; 7, 8, pterothorax (ventral, lateroventral).

FIGURES 15 – 25. Triplonychus crassifemoris sp. nov. 15, antenna; 16, labrum; 17, mandible; 18, maxilla; 19, labium; 20, head; 21 – 23, prothorax (dorsal, lateral, ventral); 24, 25, pterothorax (ventral, lateroventral).

FIGURES 105 – 108. Holotype of Globothorax chevrolati Fleutiaux, 1891 (EC 1939). 105, dorsal; 106, ventral; 107, lateral; 108, labels. (Courtesy of MNHN Collection, Paris).

FIGURES 77 – 90. Anterior, median and posterior legs (outer surface): 77 – 79, Triplonychus cruspinosus sp. nov.; 80 – 82, T. crassifemoris sp. nov.; 83 – 85, T. tibialatus sp. nov.; 86 – 88, Globothorax latidens sp. nov. Claws: 89, T. cruspinosus sp. nov.; 90, G. latidens sp. nov.

FIGURES 101 – 104. Dorsal habitus of holotypes: 101, Triplonychus cruspinosus sp. nov. (4,5 mm length); 102, T. crassifemoris sp. nov. (7 mm length); 103, T. tibialatus sp. nov. (8 mm length); 104, Globothorax latidens sp. nov. (6 mm length).

FIGURES 34 – 42. Triplonychus tibialatus sp. nov. 34, antenna; 35, mandible; 36 – 38, prothorax (dorsal, lateral, ventral); 39, abdomen; 40, 41 pterothorax (ventral, lateroventral); 42, wing.