S.  Nappini and Dapporto, L., ?I Macrolepidotteri del Parco Regionale della Maremme (Toscana) (Lepidoptera)?, Memorie della Società Entomologica Italiana, vol. 88, pp. 177-195, 2009.

A. K.  Hundsdoerfer, Rubinoff, D., Attié, M., Wink, M., and Kitching, I. J., ?A revised molecular phylogeny of the globally distributed hawkmoth genus Hyles (Lepidoptera: Sphingidae), based on mitochondrial and nuclear DNA sequences?, Molecular Phylogenetics and Evolution, vol. 52, pp. 852-865, 2009.

H.  Harbich, ?Anmerkungen zur Wolfsmilchschwärmerpopulation ({IHyles euphorbiae} (Linnaeus, 1758)-Komplex) von Malta (Lepidoptera: Sphingidae)?, Entomologische Zeitschrift, vol. 119, pp. 51-58, 2009.

J.  Händel, ?Sphingidae 2008?, Atalanta, vol. 40, pp. 144-150, 2009.

J.  Händel, ?Sphingidae 2007?, Atalanta, vol. 40, pp. 137-143, 2009.

C. L.  Borkowsky and Westwood, A. R., ?Seed capsule production in the endangered western prairie fringed orchid (Platanthera praeclara) in relation to sphinx moth (Lepidoptera: Sphingidae) activity?, Journal of the Lepidopterists' Society, vol. 63, no. 2, pp. 110-117, 2009.