Description:
(Entomologist) René Jeannel, a distinguished French entomologist, was renowned for his extensive research on the insect fauna of caves in the Pyrenees, France, Carpathians, Romania, and Africa. He specialized in Leiodidae and authored numerous papers on various Coleoptera species. Jeannel collaborated with Romanian biologist Emile Racovitza in exploring and documenting caves, resulting in over 500 scientific publications totaling more than 20,000 pages. A significant aspect of his work was the emphasis on using genitalia for species identification and classification in taxonomy.