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Green caterpillar with seven diagonal white lines and a black horn. The color of the front legs (the true legs) is white which helps distinguish it from the tomato hornworm (M. quinquemaculata). This one is covered in Braconid wasp cocoons. If it develoved, it would turn into a five spotted hawk moth.
They live on tomato plants.
The female wasp uses her ovipositor to lay eggs just under the skin of an hornworm. As the eggs hatch, the larvae feed on the hornworm’s insides and eat the hornworm alive. Larvae chew their way out through the skin when they mature.