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Insects and other arthropods

Elm sphinx

Ceratomia amyntor

Tabs group


These large brown moths with their elongated wings have wingspans of up to 11.5 cm. The wings are light brown with white and dark brown markings. The thorax is quite hairy.

The large green or brown caterpillars have four horn-shaped growths near the head and a spine at the tip of the abdomen. The body has a small light-coloured ridge running its length and light diagonal lines on the sides.

Life cycle

The species produces two generations per year in the southern part of its range, and only one farther north. The insect pupates and overwinters in an underground burrow.

Geographic distribution

The species occurs in central and northeastern North America.


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