Heterogomphus, Burmeister, 1847

Key to the adult females of Heterogomphus View in CoL species from Colombia

Modified from Ratcliffe et al. (2020).

1. Elytra completely, densely rugopunctate or with punctate rows................................................. 2

1´. Elytra smooth, shiny, or with weakly punctate rows; larger punctures, if present, only near humeri..................... 6

2. Elytra with long, moderately dense to dense setae............................................................ 3

2´. Elytra glabrous or, at most, with short, sparse setae confined apex............................................... 4

3. Elytra rugopunctate ( Fig. 7H View FIGURE 7 ); mesotibial apex truncate with 4–6 stout, short spinules ( Fig. 8G View FIGURE 8 ); metatibia truncate with 5–6 stout, short spinules ( Fig. 8H View FIGURE 8 )...................... H. kogui Neita Moreno, Clavijo-Bustos, & Ratcliffe , new species

3´. Elytral punctures ocellate ( Fig. 7G View FIGURE 7 ); mesotibial apex with one large tooth ( Fig. 8C View FIGURE 8 ; metatibial apex truncate with one moderately short tooth ( Fig. 8D View FIGURE 8 )................................................................ H. carayoni Dechambre View in CoL

4. Clypeal apex truncate or shallowly emarginate........................................ H. schoenherri Burmeister View in CoL

4´. Clypeal apex deeply emarginate.......................................................................... 5

5. Mesotibial apex with large tooth; elytral punctures large, dense............................. H. mniszechi (Thomson) View in CoL

5´. Mesotibial apex subtruncate, crenulate; elytral punctures sparse to moderate in density................ H. rugicollis Prell View in CoL

6. Pygidium on basal half transversely rugose or densely punctate; clypeal apex broad................................. 7

6´. Pygidium on basal half sparsely to moderately punctate; clypeal apex narrow...................................... 8

7. Pronotal fovea and tubercle small, weak ( Fig. 9D View FIGURE 9 ).......................................... H. ulysses Burmeister View in CoL

7’. Pronotal fovea and tubercle distinct ( Fig. 9C View FIGURE 9 )........................................... H. chevrolatii Burmeister

8. Pronotum anteriorly rugose............................................................................. 9

8´. Pronotum anteriorly punctate............................................................. H. curvicornis Prell View in CoL

9. Mesotibia and metatibia at apex truncate ( Fig. 10C View FIGURE 10 )...................................... H. dilaticollis Burmeister View in CoL

9´. Mesotibia and metatibia at apex with two large teeth ( Fig. 10D View FIGURE 10 )............................ H. telamon (Burmeister) View in CoL