If the hornworm reaches the final growth stage he will begin to wander looking for the perfect site to pupate. Maybe you think it’s a bunny or deer having a nighttime nibble as the little green caterpillar stays camouflaged, until the moment you notice the red-tipped horn and the very large green body of a caterpillar measuring almost 4” in length hanging on your prize winning tomato plant.ĭuring the last month the hornworm caterpillar has gone through 4-5 instars (growth stages) while feasting in your garden. You begin to notice stems of complete defoliation. Since that day, the ravenous little green hornworm caterpillar has spent his days munching away, perfectly hidden by the copious green foliage of your tomato plants, growing bigger and bigger. Photo: Rachel Rhodes, University of Maryland Extension Within a few days, from her little green eggs emerged a tiny but very hungry green caterpillar. With her hummingbird like flutters, a Carolina Sphinx Moth floated through your garden, unassumingly laying her eggs on your newly planted tomato and pepper plants. Photo: Mike Raupp, University of Maryland, Department of Entomology A hawkmoth, the Carolina Sphinx, is the adult form of a tobacco hornworm. As you sat there basking in the evening sun, relishing in your hard work, a little moth fluttered from flower to flower sipping nectar. Neat little rows of tomato, pepper, squash, and cucumber plants accompanied by flowers and herbs were all planted in view from your back deck. A few weeks ago you were sitting back admiring your freshly planted garden.
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