Complex sentence: The males typically have enormous jaws, from which it derives its name "Macrodontia", that is "large tooth", while the antennae are relatively short with respect to many other cerambycids.
Split into simpler sentences: The males typically have enormous jaws, from which it derives its name "Macrodontia", that is "large tooth". On the contrary, the antennae are relatively short with respect to many other cerambycids.