Insects (2015) 6, 514-523

Lara De Backer, Felix L. Wäckers, Frédéric Francis and François J. Verheggen (2015)
Predation of the peach aphid Myzus persicae by the mirid predator Macrolophus pygmaeus on sweet peppers: Effect of prey and predator density
Insects 6 (2), 514-523
Abstract: Integrated Pest Management strategies are widely implemented in sweet peppers. Aphid biological control on sweet pepers includes curative applications of parasitoids and generalist predators, but with limited efficiency. Macrolophus pygmaeus is a zoophytophagous predator which has been reported to predate on aphids, but has traditionally been used to control other pests, including whiteflies. In this work, we evaluate the effectiveness of M. pygmaeus in controlling Myzus persicae (Homoptera: Aphididae) by testing different combinations of aphid and predator densities in cage-experiments under greenhouse conditions. The impact of the presence of an alternative factitious prey (E. kuehniella eggs) was also investigated. Macrolophus pygmaeus, at densities of four individuals/plant, caused rapid decline of newly established aphid populations. When aphid infestations were heavy, the mirid bug reduced the aphid numbers but did not fully eradicate aphid populations. The availability of a factitious prey did not influence M. pygmaeus predation on aphids. Based on our data, preventive application of M. pygmaeus, along with a supplementary food source , is recommended to control early infestations of aphids.
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Database assignments for author(s): François J. Verheggen, Felix L. Wäckers, Frédéric Francis

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
application technology

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Myzus persicae	Green pepper/chilli (Capsicum)	Belgium
Macrolophus pygmaeus (predator)	Myzus persicae	Green pepper/chilli (Capsicum)	Belgium