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Tobacco Hornworm
Manduca sexta
32.9444, -86.6611
Field Notes
Description:
he adult moth, sometimes referred to as a "sphinx", "hawk", or "hummingbird" moth, is a large, heavy-bodied moth with narrow front wings. The moth is a mottled gray-brown color with yellow spots on the sides of the abdomen and a wing spread of 4 to 5 inches. The hindwings have alternating light and dark bands.
Eggs of the tomato hornworm are deposited singly on both the lower and upper surface of leaves in late spring. The eggs hatch in six to eight days and are oval, smooth, light green to yellow in color, and measure 0.10 cm in diameter.
Habitat:
is native to the United states, and is commonly found throughout the northern states. This insect does not typically reach economically damaging levels on commercial farms. However, large numbers of larvae can sporadically occur in home gardens. Tomato hornworms feed only on solanaceous plants, most often on tomato. However, larvae will also attack eggplant, pepper, and potato. There are many solonaceous weeds that also serve as alternate hosts, including: horsenettle, jimsonweed and nightshade. There are usually 2 generations of this insect each year in the upper Midwest.
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