Field Guide Descriptions: Covell (1984); Beadle and Leckie (2012) | Online Photographs: MPG, BugGuide, GBIF, BOLD | Technical Description, Adults: Forbes (1948); Hodges (1971); Tuttle (2007) | Technical Description, Immature Stages: Forbes (1948); Wagner (2005); Tuttle (2007) | |
Adult Markings: Adults are unmistakable as the only sphingid species in our area with pink spots on the abdomen. Sexes similar. |
Wingspan: 9.5 - 12 cm (Covell, 1984) |
Adult ID Requirements: Identifiable from photos showing hindwings, abdomen, or other specialized views [e.g., frons, palps, antennae, undersides]. |
Immatures and Development: Larvae are highly variable but usually can be distinguished by two pairs of vertical stripes on the head and black spots on the dorsal surface of the thorax; most also have seven pale oblique stripes (Forbes, 1948). Pupation occurs in the soil. |