description Twin-spotted Sphinx Overview
The twin-spotted sphinx is a North American hawkmoth in the family Sphingidae. Adults are associated with wooded habitats, including orchards and areas near streams, and are generally active around dusk or at night. The moth is recognized by paired spots on the hindwings, while its caterpillars feed on plants in the rose family, including wild and cultivated fruit trees.
help Twin-spotted Sphinx FAQ
What is the scientific name of the twin-spotted sphinx?
The moth is Smerinthus jamaicensis, a North American member of the hawkmoth family Sphingidae. The common name refers to the paired blue eyespots on its hindwings, which are easiest to see when it is disturbed.
When are twin-spotted sphinx moths active?
Adults are mainly active around dusk or at night and spend the day camouflaged in wooded habitats. They are associated with orchards, streamside trees, and other places where their larval food plants grow.
How can you tell it from a similar sphinx moth?
Look for the two blue hindwing spots and the dark half-moon marking near the forewing tip. That feature helps separate Smerinthus jamaicensis from the similar one-eyed sphinx, although lighting and wing position can make field identification difficult. [North Carolina moth guide](https://auth1.dpr.ncparks.gov/moths/view.php?MONA_number=7821).
Is the twin-spotted sphinx dangerous to people?
No, the adult is a moth and has no sting or venomous spine. Its eyespots are a startle display used when the hindwings open, not a sign that it attacks people.
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