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Insects

Title:		Interactive Effects of an Herbivore-Induced Plant Volatile and Color on an Insect Community in Cranberry
Author(s):		Rodriguez-Saona C; Urbaneja-Bernat P; Salamanca J; Garzon-Tovar V;
Address:		"P.E. Marucci Center for Blueberry & Cranberry Research, Rutgers University, Chatsworth, NJ 08019, USA. Escuela de Ciencias Agricolas, Pecuarias y del Medio Ambiente (ECAPMA), Universidad Nacional Abierta y a Distancia (UNAD), Bogota 110111, Colombia"
Journal Title:		Insects
Year:		2020
Volume:		20200812
Issue:		8
Page Number:		-
DOI:		10.3390/insects11080524
ISSN/ISBN:		2075-4450 (Print) 2075-4450 (Electronic) 2075-4450 (Linking)
Abstract:		"Synthetic herbivore-induced plant volatiles (HIPVs) could be used to monitor insect populations in agroecosystems, including beneficial insects such as natural enemies of herbivores. However, it is unknown whether insect responses to HIPVs are influenced by visual cues, e.g., color. We hypothesized that the HIPV methyl salicylate (MeSA) interacts with color to affect insect captures on sticky traps. To test this, we conducted a 5 x 2 factorial field experiment in a commercial cranberry farm to monitor numbers of insect predators, parasitoids, and herbivores by using five colored sticky traps that were either baited with a MeSA lure (named 'PredaLure') or unbaited. At the community level, PredaLure increased captures of predators. At the individual-taxon level, captures of the hoverfly Toxomerus marginatus (Diptera: Syrphidae) and thrips (Thysanoptera: Thripidae) were higher on PredaLure-baited traps. However, only captures of T. marginatus on PredaLure-baited traps interacted significantly with color such that the numbers of this hoverfly on yellow and white traps were 2-4 times higher when baited with PredaLure. This study is the first to document the interactive effects of synthetic HIPVs and color on an insect community. Our findings have implications for optimal selection of HIPV-baited colored traps to monitor natural enemy populations in agroecosystems"
Keywords:		PredaLure Toxomerus marginatus biological control methyl salicylate monitoring natural enemies;
Notes:		"PubMed-not-MEDLINERodriguez-Saona, Cesar Urbaneja-Bernat, Pablo Salamanca, Jordano Garzon-Tovar, Vanessa eng PS-30-2018/Universidad Nacional Abierta y a Distancia/ NJ08252/USDA Hatch/ NJ08140/USDA Hatch/ Switzerland 2020/08/19 Insects. 2020 Aug 12; 11(8):524. doi: 10.3390/insects11080524"