Dispersion indices and constant precision sampling programmes for Panonychus ulmi (Koch) and Amblyseius andersoni (Chant) in Spanish apple orchards

Garcia‐Marí, F.; Ferragut, Francisco; Costa-Comelles, J.; Laborda, Rafael

doi:10.1007/978-94-011-3102-5_40

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“…We can, however, compare values of the parameters achieved by A. andersoni feeding on P. taxi with those estimated on other prey species that have been studied as targets of this predator. Amblyseius andersoni has been evaluated as a biocontrol agent against spider mites occurring in vineyards [76][77][78], and orchards [64,[79][80][81]. Amano and Chant [82] studied its developmental and reproductive parameters on Tetranychus pacificus McGregor, one of the most important spider mite pests in California vineyards [83].…”

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confidence: 99%

A Preliminary Assessment of Amblyseius andersoni (Chant) as a Potential Biocontrol Agent against Phytophagous Mites Occurring on Coniferous Plants

Puchalska

Zagrodzki

Kozak

et al. 2021

Insects

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Development, survival and reproduction of Ambyseius andersoni (Chant), a predatory mite widely distributed in Europe, were assessed on different food items. These included two key pests of ornamental coniferous plants, i.e., Oligonychus ununguis (Jacobi) and Pentamerismus taxi (Haller) and pollen of Pinus sylvestris L. The rationale behind these experiments was to provide a preliminary assessment of the potential of A. andersoni as a biocontrol agent of the above phytophagous arthropods and evaluate pine pollen as an alternative food source for the predator. Under laboratory conditions (23 ± 0.5 °C, 70 ± 10% RH and 16L:8D) A. andersoni was able to feed, develop and reproduce on all tested diets. The shortest development time (egg to female) was obtained when the predator fed on P. taxi (mean = 5.12 d) and the longest was on pine pollen (mean = 6.55 d). The rm value was significantly higher on both tested prey (0.166 on P. taxi and 0.160 on O. ununguis) than on pollen (0.139). Thus, we do not recommend pine pollen for mass rearing of A. andersoni; however, we conclude that pollen may provide sufficient sustenance for the predator population under field conditions when prey are absent. The potential of A. andersoni as a biocontrol agent of O. ununguis and P. taxi is discussed.

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