User: What is Elzéar Abeille de Perrin known for?
Assistant: Elzéar Abeille de Perrin is best known as a French entomologist. He specialized in studying cave species in the Pyrenees. His best known publications are Monographie des malachites (1869), Études sur les coléoptères cavernicoles, suivies de la description de 27 coléoptères nouveaux français (1872), Notes sur les leptodirites (1878), and Synopsis critique et synonymique des chrysides de France (1878).