| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Hyles clementiae | (Bayard, 1928) | species | Misapplied | ||
| Hyles cleopatra | (Wladasch, 1931) | species | Synonym | ||
| Hyles clossi | (Hannemann, 1917) | species | Misapplied | ||
| Hyles confusa | (Wladasch, 1939) | species | Misapplied | ||
| Hyles coniuncta | (Lütkemeyer, 1920) | species | Misapplied | ||
| Hyles conspicua | (Rothschild & Jordan, 1903) | species | Synonym | ||
| Hyles conspicuata | (Bandermann, 1926) | species | Synonym | ||
| Hyles cuspidata | (Rebel, 1908) | species | Misapplied | ||
| Hyles cyanea | (Wladasch, 1929) | species | Misapplied | ||
| Hyles cyparissiae | Schultz, 1903 | species | Misapplied | ||
| Hyles dealbata | (Schultz, 1911) | species | Misapplied | ||
| Hyles decolorata | (Closs, 1913) | species | Misapplied | ||
| Hyles defecta | (Bartel, 1899) | species | Synonym | ||
| Hyles demaculata | (Schultz, 1911) | species | Synonym | ||
| Hyles dolomiticola | (Stauder, 1930) | species | Synonym | ||
| Hyles effuscata | (Wladasch, 1939) | species | Synonym | ||
| Hyles eleagni | (Boisduval, 1875) | species | Misapplied | ||
| Hyles elliana | (Bandermann, 1917) | species | Misapplied | ||
| Hyles ernata | (Bandermann, 1928) | species | Misapplied | ||
| Hyles esulae | (Boisduval, 1834) | species | Synonym | ||
| Hyles etrusca | (Verity, 1911) | species | Synonym | ||
| Hyles euphorbiae | (Linnaeus, 1758) | species | Accepted | ||
| Hyles euphorbiarum | (Guérin & Percheron, 1835) | species | Synonym | ||
| Hyles euphorbioides | (Swinhoe, 1892) | species | Synonym | ||
| Hyles exculae | (Hufnagel, 1766) | species | Synonym |