Figure 14 in The phylogenetic relationships of Morgan's Sphinx, Xanthopan morganii (Walker), the tribe Acherontiini, and allied long-tongued hawkmoths (Lepidoptera: Sphingidae, Sphinginae)

Figure 14. Internal female genitalia, dorsal views, illustrating twisting of the ductus seminalis. A, Macropoliana ferax, BMNH sphingid preparation #1052, no twist. B, Coelonia fulvinotata, BMNH sphingid preparation #997, half twist. C, Cocytius duponchel, BMNH sphingid preparation #1020, full twist.Published as part of Kitching, Ian J., 2002, The phylogenetic relationships of Morgan's Sphinx, Xanthopan morganii (Walker), the tribe Acherontiini, and allied long-tongued hawkmoths (Lepidoptera: Sphingidae, Sphinginae), pp. 471-527 in Zoological Journal of the Linnean Society 135 (4) on page 494, DOI: 10.1046/j.1096-3642.2002.00021.x, http://zenodo.org/record/543476