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But when the saliva of hornworm caterpillars mixes with the green leaf volatiles of Nicotiana, it acts as a chemical beacon calling in the predatory big eyed bug, Geocoris sp

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Volatiles identification and multivariate data analyses Volatile components were identified by comparing their retention indices (RI) relative to n-alkanes (C6C20), mass matching to the National Institute of Standards and Technology (NIST) mass spectral library, WILEY library database and with standards whenever available