Modeling of Predatory Effect of Coccinellidae

Deligeorgi, N.P.; Karypidis, C.; Deligeorgi, P.N.; ., C.G. Ipsilandis; ., M. Vaiopoulou; Sidiropoul, G.

doi:10.3923/je.2011.73.80

Cited by 2 publications

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“…The behavior of predators described by the seconddegree models, involving number of aphids that consumes C. septempunctata (and other coccinellid species) or the percentage of aphids that escape, reveals more than one factors for reducing efficiency of predation (Deligeorgidis et al 2005a). The purpose of this study was to estimate deviations from predicted values based on the predatory effect model proposed by Deligeorgidis et al (2005aDeligeorgidis et al ( , 2011.…”

Section: Introductionmentioning

confidence: 99%

Deviations from prediction model of predatory effect for Coccinellidae

Stavridis¹,

Deligeorgidis²,

Deligeorgidis³

et al. 2018

Int. J. Adv. Res. Biol. Sci.

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Effective predation of coccinellids species is essential for plant protection programs in the field or glasshouse. The purpose of this study was to estimate deviations of predatory effect from predicted values based on the predatory effect model proposed by previous researchers. Two coccinellids species were used to cope with six different pests. There were differences between realized and theoretical data. Especially for aphid species there were very low deviations and in one case there were a positive deviation for both predators, indicating that Coccinellidae were underestimated in previous studies. As a conclusion, prediction model must be used as a guide for practical purposes and not for theoretical modeling. The choice of a predator species must be a result of extensive testing on the prey because differentiation of predatory effect is common to coccinellids and depends also on the locality of a species. Coccinella septempunctata found to be a better predator. The model predictions were in accordance only for M. persicae and M. euphorbiae measurements and predators-prey relationships were different on different plant leaves.

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Section: Introductionmentioning

confidence: 99%