Key to third-instar larvae of New World Oryctini genera 1 Anterior frontal setae absent ......................................................................................................................................... 2 - Anterior frontal setae present....................................................................................................................................... 3 2 Each tarsal claw with 2 setae. Claws long and slender. Laeotorma without apex dilated towards pedium ................... ................................................................................................................................................................ Coelosis Hope - Each tarsal claw with 4 setae. Claws short and stout. Laeotorma with apex dilated towards pedium........................... .............................................................................................................................................................. Strategus Kirby 3 Abdominal spiracles on segments I–VIII similar in size............................................................................................. 6 - Abdominal spiracles on segments I–VIII different in size .......................................................................................... 4 4 Each tarsal claw with 2 setae ....................................................................................................................................... 5 - Each tarsal claw with 4 setae .............................................................................. Heterogomphus Burmeister (in part). 5 Left mandible with third and fourth incisive teeth entire. Spiracles on abdominal segments VII and VIII smaller than those on preceding segments. Antennomere 4 with 5–9 dorsal sensory spots .... Heterogomphus Burmeister (in part). - Left mandible with third and fourth incisive teeth notched. Spiracles on abdominal segments VII and VIII larger than those on preceding segments. Antennomere 4 with 10 dorsal sensory spots ............................ Podischnus Burmeister 6 Laeotorma with apex dilated towards pedium. Antennomere 4 with 12 dorsal sensory spots................ Enema Hope - Laeotorma with apex not dilated. Antennomere 4 with 2–5 dorsal sensory spots ............................... Xyloryctes Hope

Published as part of Moreno, Jhon César Neita & Orozco, Jesús, 2009, Larval and pupal descriptions for the genera Podischnus and Heterogomphus (Scarabaeidae: Dynastinae: Oryctini), pp. 34-44 in Zootaxa 2168 on pages 43-44, DOI: 10.5281/zenodo.189152