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 E-Mail IMAGE: Researchers have discovered that tomato fruitworm caterpillars silence their food plants cries for help as they devour their leaves. view more  Credit: Nick Sloff, Penn State UNIVERSITY PARK, Pa. Like a scene from a horror movie, tomato fruitworm caterpillars silence their food plants cries for help as they devour their leaves. That is the finding of a multidisciplinary team of researchers, who said the results may yield insights into the abilities of crop plants such as tomato and soybean to withstand additional stressors, like climate change. We have discovered a new strategy whereby an insect uses saliva to inhibit the release of airborne plant defenses through direct manipulation of plant stomata, said Gary Felton, professor and head of the Department of Entomology at Penn State, noting that stomata are tiny pores on plant leaves that regulate gas exchange, including plant defensive emissions and carbon dioxide, between the plant and the en

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