volume 167, issue 11, P922-931 2019
DOI: 10.1111/eea.12851
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Martin Libra, Salape Tulai, Vojtech Novotny, Jan Hrcek

Abstract: Abstract Invertebrate predators and parasitoids are among the most important natural enemies of insect herbivores. Yet, the strength of natural enemy pressure along an altitudinal gradient and interactions between the groups of natural enemies (such as predation on parasitized prey) are not well known. Various methods are used to reveal the mortality factors of herbivores. Predation pressure is usually assessed through exposure of artificial prey. However, this method cannot provide information about the atta…

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