Family: Sphingidae, Latreille, 1802
Subfamily: Sphinginae, Latreille, 1802
Tribe: Smerinthini, Grote & Robinson, 1865
Genus: Pachysphinx Rothschild and Jordan, 1903
Species: occidentalis regalis Rothschild & Jordan, 1903
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DISTRIBUTION:
Pachysphinx occidentalis regalis
(Wing span: ), flies in Mexico
FLIGHT TIMES:
ECLOSION:
Little is known about the eclosions of the earth pupators, but
many believe pupae wiggle toward the surface just prior to emergence.
SCENTING AND MATING:
Female Pachysphinx occidentalis
regalis extend a scent gland from the
posterior of the abdomen to lure in the night flying males whose
large claspers are frequently wide open as
they fly in to lights around midnight.