Grasshoppers, cockroaches and their allies
Helfer, Jacques R.
Grasshoppers, cockroaches and their allies - California WM.C. Brown Company Publishers 1953 - 353 p.
Insectos
Entomología
Taxonomía animal
Claves taxonómicas
Grasshoppers, cockroaches and their allies - California WM.C. Brown Company Publishers 1953 - 353 p.
Insectos
Entomología
Taxonomía animal
Claves taxonómicas