Complex sentence: Cantharidin is an odorless, colorless terpenoid secreted by many species of blister beetles, including broadly in genus "Epicauta", genus "Berberomeloe", and in species "Lytta vesicatoria" (Spanish fly).
Split into simpler sentences: Cantharidin is an odorless, colorless terpenoid secreted by many species of blister beetles. Including broadly in genus "Epicauta", genus "Berberomeloe", and in species "Lytta vesicatoria" (Spanish fly).