Synonyms and other taxonomic changes
Eumorpha achemon (Drury, 1773)
Sphinx achemon Drury, 1773
Explanation of Names
In Greek mythology, Achemon (also spelled Acmon) was one of two mischievous brothers called the Cercopes
Larva probably similar to Pandorus sphinx, to about 90 mm (3.5")
Larvae may be tan or green, with white diagonal elongated/segmented spiracular spots from A3 to A7. "Horn" on tail end is lost after the fourth instar. Pupates in burrows in the soil.
"Maine west to North Dakota and southern Oregon; south to south Florida, southern California, and Mexico." (BMNA)
Larvae feed on leaves of grape (Vitis), Virginia Creeper (Parthenocissus), Ampelopsis and related vining plants.
Adults take nectar from flowers.
egg and first instar larvae; older larvae; older larva; adult
Caterpillars are similar to Pandorus Sphinx
, and eat a similar range of plants, but Achemon has narrow segmented spots on each segment from A3 - A7, instead of Pandorus's single large one.
Covell, C. V. 1984. Peterson Field Guides: Eastern Moths. p. 41 & plate 3 #11. (1)
Hodges, R. W., 1971. Moths of America North of Mexico, Fascicle 21, Sphingidae. p. 124; pl. 11.17.(2)
Wagner, D. L. 2005. Caterpillars of Eastern North America. p.269
Illustrations of Natural History, p.51 (pl.XXIX, fig.1)
Drury's original description of the species (illustration here
, index giving name here