A. silvestrii

A. silvestrii may refer to:


 * Acromyrmex silvestrii, Emery, 1905, a New World ant species in the genus Acromyrmex
 * Acropyga silvestrii, Emery, 1915, an ant species in the genus Acropyga
 * Aenictus silvestrii, Wheeler, 1929, an ant species in the genus Aenictus
 * Amblyopone silvestrii, the Dracula ant, an ant species in the genus Amblyopone
 * Amphisbaena silvestrii, a worm lizard species found in Brazil
 * Apopyllus silvestrii, a spider species found in Peru, Bolivia, Brazil, Argentina and Chile
 * Argulus silvestrii, a carp louse, a parasitic crustacean species