Tribotropis

Mermudes, José Ricardo M., 2004, A new species of Tribotropis Jekel, 1855 from Colombia (Coleoptera: Anthribidae, Anthribinae, Ptychoderini), Zootaxa 591, pp. 1-5 : 4-5

Key to the Colombian species of Tribotropis

1 Dorsal vestiture with whitish scales forming a conspicuous vitta along rostrum, frons, middle of the vertex and pronotum, and clothing the scutelary striae and interstriae 1 at length in addition to narrow, rectangular areas of the interstriae 3, 5 and 7, these areas longer than the brownish areas ( Fig. 1 ); antebasal carina of the pronotum unbroken and straight at middle .......................................................... T. colombianus Mermudes

­ Dorsal vestiture lacking the dorsal whitish vitta; antebasal carina of the pronotum interrupted at middle ................................................................................................... 2

2 Elytra with whitish vestiture and square brownish spots arranged in two longitudinal rows ( Fig. 2 ); antebasal carina of the pronotum widely interrupted at middle (more

than two times the width of the carina) ............................................... T. speciosus Jekel ­ Elytra with green vestiture and irregular brownish spots; antebasal carina of pronotum narrowly interrupted at middle (less than the width of the carina) .............................. 3

3 Apical declivity of each elytron with two tubercles, one smaller at interestriae 3, and one more developed at interestriae 5 ( Fig. 3 ); disk of ventrite I, in males, coarsely punctate, with a subapical, coarse pore conspicuously marginate with the inner surface clothed with short hairs ....................................................... T. compressicornis Jordan.

­ Apical declivity of each elytron lacking tubercles ( Fig. 4 ); disk of the ventrite I, in males, lacking setiferous patch .................................................... T. apollinaris Jordan

Figures

FIGURES 1 – 4. 1. Tribotropis colombianus sp. nov., male holotype; 2. Tribotropis speciosus Jekel, 1855 male; 3. Tribotropis compressicornis Jordan, 1895, male; 4. Tribotropis apollinaris Jordan, 1939, male.