Saguaro-associate
Guides
Megacheuma brevipenne
Megacheuma brevipenne is a longhorn beetle in the family Cerambycidae, subfamily Cerambycinae. The species was formerly treated as a subspecies of Tragidion armatum (as Tragidion armatum brevipenne) but has been elevated to full species rank as Megacheuma brevipenne. It is characterized by antennae significantly shorter than the abdomen, distinguishing it from related species. The beetle exhibits Batesian mimicry of tarantula hawk wasps (Pepsis and Hemipepsis).