Citation:

RL Rabb. 1969. Environmental manipulations as influencing populations of tobacco hornworm. Pages 175-191. In: EV Komarek Sr (editor). Tall Timbers Conference on Ecological Animal Control by Habitat

Management, February 27-28, 1969, Tall Timbers Research Station, Tallahassee, Florida, Number 1, 244 pages.

Keywords: tobacco hornworm Manduca sexta, tomato hornworm M quinquemaculata, insect biology, adult moth sustenance on nectar, diapause, cropping practices and hornworm densities, sucker growth on stalks after harvest, recommendation to remove suckers after harvest, chemical sucker control by MH-30 led to decline in hornworm populations, biocontrol parasitoid Apanteles congregates, Winthemia