«We had some clues that oral secretions of beetles suppressed defenses, but no one had followed up on that research.» (sciencedaily.com)
According to Felton, the beetles do not have salivary glands and so they regurgitate oral secretions onto the leaves to begin digestion. (sciencedaily.com)
Surprisingly, the application of larval oral secretions inhibited the transduction of calcium signals to neighboring leaves in the experiment. (sciencedaily.com)