Inner side of left labial palp of (a) Hyles euphorbiae (no data, MTD) and (b) Theretra oldenlandiae (no data, MTD).

 
 
  Part of: Hundsdoerfer AK, Kitching IJ (2020) Morphological evolution in Hyles Hübner, 1819 hawkmoths (Lepidoptera, Sphingidae): reconstructing the ancestral Hyles habitus. Nota Lepidopterologica 43: 181-210. https://doi.org/10.3897/nl.43.49512