Sweetpotato hornworm

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Scientific Name: Agrius convolvuli L.

Other Name: Convolvulus hornworm


Sweetpotato hornworm feeding on leaf (E. Vasquez).

Diagnostic summary

  • What they do to plants

- larvae feed on the leaf blade causing large irregular holes or  may start feeding on the leaf edges eventually  eating the entire leaf blade, leaving only the petiole.


- younger larvae feed day and night while fully mature ones only feed during the night.


- voracious caterpillars which can defoliate the plant.


- leave frass near the infested plant part.

  • Found worldwide.


Economic importance

Geographical distribution



Biology and ecology

Host range



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