No PDF for this one
The Hawaii Biological Survey lists this publication without a file.
Contribution to the Hawaii Biological Survey
A third larval form of Agrius cingulatus in Hawaii (Lepidoptera: Sphingidae)
Riotte, C.J.E. · 1993
Tropical Lepidoptera 4: 82.
Riotte, C.J.E. 1993. A third larval form of Agrius cingulatus in Hawaii (Lepidoptera: Sphingidae). Tropical Lepidoptera 4: 82.