May 16, 2022 by mgnvmmfTobacco_Hornworm_Caterpillar_(Manduca_sexta)_on_Datura_innoxia-2_Sep_ELM Tobacco hornworm (Manduca sexta) exudes toxic nicotine “breath” to ward off predators. Photo © Elaine Mills About mgnvmmf Previous Post:Tobacco_Hornworm_Caterpillar_(Manduca_sexta)_on_Datura_innoxia-2_Sep_ELM