@article {18655, title = {On Polyptychus pygarga and some allied species (Lep., Sphingidae)}, journal = {Novitates Zoologicae}, volume = {35}, year = {1929}, month = {1929}, pages = {187-191}, chapter = {187}, keywords = {CAMEROON, CATALOGUE, CENTRAL AFRICAN REPUBLIC, EQUATORIAL GUINEA, GHANA, GUINEA, IVORY COAST, MALAWI, NEOPOLYPTYCHUS, NIGERIA, SPHINGIDAE, SUDAN, TANZANIA, ZAIRE, ZAMBIA, ZIMBABWE}, url = {https://www.biodiversitylibrary.org/item/22617$\#$page/225/mode/1up}, author = {Jordan, K.} }