It is distinguished from
H. fuciformis by the narrow band of scaling along the outer wing margin, and the forewing's undivided discal cell. It has a wingspan of . It is one of two similar species of
sphingid moth occurring in Britain that closely mimic a
bumblebee. Hemaris tityus - MHNT CUT 2010 0 510 - Strasbourg France - male dorsal.jpg|
Hemaris tityus ♂ Hemaris tityus - MHNT CUT 2010 0 510 - Strasbourg France - male ventral.jpg|
Hemaris tityus ♂ △ Hemaris tityus - MHNT CUT 2010 0 510 - Strasbourg France - female dorsal.jpg|
Hemaris tityus ♀ Hemaris tityus - MHNT CUT 2010 0 510 - Strasbourg France - female ventral.jpg|
Hemaris tityus ♀ △ == Pictures ==