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Digital Guide to Moth Identification

890118.007809Sphinx kalmiae – Laurel Sphinx Moth – Smith, 1797

© Carol Wolf
Distribution: Ranges from Newfoundland west to Saskatchewan and southward to Florida and Louisiana. It is widespread but uncommon in Maryland, according to John Glaser. It is uncommon in the south. It is suggested by Heppner as a species straying into, but not breeding in, Florida.
Seasonality
and Size:
One brood in the north, at least two in the south. Glaser reports flight dates from 17 May - 28 August. Wingspan 75 - 103 mm.
Larva and
Host Plants:
Food plants include ash, fringe-tree, laurel, lilac and privet. A green hornworm, it has seven oblique lateral lines edged with black and yellow. A black line on the head is edged with yellow. There are yellow and black markings on the abdominal prolegs (fifth or final instar), and it has orange spiracles. The horn is blue with tiny black spines.
Description/
Field Marks:
  • forewing yellowish brown with black shading along inner margin.
  • whitish subterminal line.
  • hindwing tan, with black border, median line and basal patch.
References
Data compiled and contributed by Nolie Schneider from references cited.

Sphinx kalmiae
© David Bree
Sphinx kalmiae
© Bill Johnson
Sphinx kalmiae
© Nolie Schneider
Sphinx kalmiae
© Ron White
Sphinx kalmiae
©Ken Childs
Sphinx kalmiae
90mm – © Jim Vargo
Sphinx kalmiae
© Tim Dyson
5th instar
Sphinx kalmiae
© Canadian National Collection LG

Sphinx kalmiae
© Dave Pelletier

Sphinx kalmiae
© Tim Dyson
4th instar
Sphinx kalmiae
© Tim Dyson
pupa
Sphinx kalmiae
© Siobhan Basile


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