Literature

Authors	Year	Title
C. T. Ramsden	1921	A new Xylophanes from Cuba (Lepid., Sphingidae)
R. S. Y. R. Rao	1921	A preliminary analysis of insect pests on the Iraq
T. B. Fletcher	1921	Annotated list of Indian crop-pests
A. Closs	1921	Die gelben Formen von Celerio euphorbiae L.
F. Skell	1921	Die männlichen Genital-ahhänge unserer einheimischen Sphingiden
J. K. M. Röber	1921	Hippotion horus sp. n
L. J. L. Lambillion	1921	Histoire naturelle et moeurs de tous les papillons de Belgique
E. E. Platt	1921	List of foodplants of some South African lepidopterous larvae
H. Stauder	1921	Neues aus Unteritalien
J. J. Joicey, Talbot G.	1921	New forms of Sphingidae
C. E. Fellowes-Manson	1921	New localities for rare and little known Sphingidae (hawk moths)
E. A. Andrews	1921	On caterpillar control by the collection of chrysalides
P. O. C. Aurivillius	1921	Sammlungen der Schwedichen Elgon-Expedition im Jahre 1920. 1. Lepidopteren
F. Zacher	1921	Schädlinge der Nutzpflanzen im West-Sudan
Ayyar, T. V. R.	1921	Some notes on new and known insects from South India
D. Sharp	1921	Sphingidae
H. Wagner	1921	Sphingidae: subfam. Choerocampinae
C. E. Fellowes-Manson	1921	The life history of rare and little known Sphingidae (hawk moths) of the Oriental region
E. N. Blackmore	1921	The Sphingidae of British Columbia
S. Matsumura	1921	Thousand insects of Japan
K. Jordan	1921	Two new African Sphingidae
J. K. M. Röber	1921	Ueber bekannte und neue Schmetterlinge
W. Niepelt	1921	Zwei neue Lepidopterenformen aus Schlesien
H. Stauder	1921	{ICelerio lineata livornica} Esp. subsp. nova {Isaharae} Stdr