Ox Beetle vs Actaeon Beetle

The ox beetle, Strategus aloeus, is a large rhinoceros beetle native to the Americas and encountered in the southern United States. Major males bear three prominent thoracic horns, while minor males have much smaller horns and females lack the same developed armature. Males use their horns in contests with rivals, and the beetle's larvae develop underground in decaying plant material, contributing...

The Actaeon beetle is a large scarab beetle native to South America’s Amazon rainforest. It belongs to the Dynastinae subfamily and is notable for its massive size and prominent horns developed in male specimens. These horns are among the largest found in insects. The species is of interest to entomologists studying insect evolution, particularly horn development and rhinoceros beetles.