Laurel Sphinx Moth (Sphinx kalmiae)
The laurel sphinx moth is a member of the family of hawk moths. They are found in North America, both in Canada and the United States.
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Scientific Classification
- Family: Sphingidae
- Genus: Sphinx
- Scientific Name: Sphinx kalmiae
Description and Identification
Caterpillar
The larvae are blue-green or yellow-green, with seven white-edged diagonal lines with black above and yellow below.
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Pupa
Once fully grown, the caterpillar pupates in loose soil.
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Adult Moth
Sexual Dimorphism: Present but not prominent.
Color and Appearance
Forewing: When the wings are opened, they are yellowish-brown, with a black patch along the inner margin and a thin, whitish line along the outer margin. When the wings are closed, the colors remain visible.
Hindwing: When the wings are opened, it is observed that they are tan with a black border, alongside a black median line, and a black patch at the base. When the wings are closed, the patterns are still observable.
Average Wingspan: 7.5 – 10.3 cm
Flight Pattern: Erratic
Season: March-October
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Egg
The eggs are white and translucent like a pearl.
Quick Facts
| Distribution | Eastern North America |
| Habitat | Forests, nurseries, woodlands, and yards |
| Lifespan of Adults | 10-30 days |
| Host Plants | Ash, fringe tree, laurel, lilac, mountain holly, northern bush honeysuckle, poplar, and privet |
| Adult Diet | Flower nectar |
Did You Know
- English entomologist James Edward Smith described this species in 1797, naming it after Kalmia, the first plant it was seen on.
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Scientific Classification
- Family: Sphingidae
- Genus: Sphinx
- Scientific Name: Sphinx kalmiae
