Intraguild Predation by Anthocoris nemorum (Heteroptera: Anthocoridae) on the Aphid Parasitoid Aphidius colemani (Hymenoptera: Braconidae)

Author： Vitt Meyling Nicolai   Enkegaard Annie   Brødsgaard Henrik  

Publisher： Taylor & Francis Ltd

ISSN： 1360-0478

Source： Biocontrol Science and Technology, Vol.14, Iss.6, 2004-09, pp. : 627-630

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Abstract

The magnitude of intraguild predation by adult females of the predator Anthocoris nemorum on immature larvae of the aphid parasitoid Aphidius colemani inside mummies of peach-potato aphids Myzus persicae was investigated under laboratory conditions in a preference experiment. Each predator consumed a mean (95% confidence limits) of 2.8 (2.1; 3.8) immature parasitoids within mummies and 3.6 (2.7; 4.6) unparasitised aphid nymphs. Thereby A. nemorum engaged in intraguild predation with A. colemani and did not exhibit prey preference between mummies and unparasitised aphids.

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