Latest Manduca sexta Stories
The tobacco hornworm caterpillar is able to exhale predator-repelling breath by re-purposing the nicotine it eats while feeding on a tobacco plant, according to a study.
Small changes in the composition of green leaf volatiles induced by herbivory guide ovipositing female moths to unattacked plants
While other animals beef up metabolism and stop growing or developing during a defensive period, hornworm caterpillars slow or stop eating but actually keep up their weight and develop a little faster in the short term.
Like blood-sucking insects, herbivores evaluate their host's readiness for defense
Moths need just the essence of a flower's scent to identify it, according to new research from The University of Arizona in Tucson.
Cornell University researchers have succeeded in implanting electronic circuit probes into tobacco hornworms as early pupae. The hornworms pass through the chrysalis stage to mature into long-lived moths whose muscles can be controlled with the implanted electronics.
By Richard Nunnally, Richmond Times-Dispatch, Va. Sep. 15--Q:I grow tomatoes every year and find those big green worms on them. Some have white lumps on their backs. I've heard they are some kind of eggs. Is that true? If so, are they harmful? Answer: The worms you're seeing are tomato hornworms.
- To swell, as grain or wood with water.