C. silvestrii may refer to: Campodea silvestrii, a diplura insect species Camponotus silvestrii, a carpenter ant species Catalpa silvestrii, (Pamp. & Bonati) S.Y.Hu, a flowering plant species in the genus Catalpa Ceratitis silvestrii, Bezzi, a fruit fly species in the genus Ceratitis Cyclops silvestrii, Brian, 1927, a freshwater copepod species in the genus Cyclops
See also Silvestrii (disambiguation)