NDLI: Feeding habits of overwintered predatory mites inhabiting European vineyards

Content Provider	Springer Nature Link
Author	Lorenzon, Mauro Pozzebon, Alberto Duso, Carlo
Copyright Year	2015
Abstract	Biological parameters, prey consumption and prey conversion into egg biomass of overwintered females of the phytoseiids Kampimodromus aberrans, Amblyseius andersoni and Typhlodromus pyri fed with varying numbers of Eotetranychus carpini females or pollen were studied in the laboratory. We found that pollen and E. carpini females proved to be optimal foods for overwintered phytoseiids. In most comparisons pollen induced performances comparable to those recorded when predatory mites were supplied with 4–8 prey per day. Typhlodromus pyri and A. andersoni females survived longer when fed on pollen and the percentage of K. aberrans ovipositing females was higher with pollen than with spider mite prey. For K. aberrans and T. pyri, periods to diapause termination were comparable when pollen or eight prey per predator per day were provided. Oviposition times were long for T. pyri and A. andersoni fed with pollen. Low numbers (1–2) of E. carpini drastically reduced predatory mite oviposition, particularly in A. andersoni that showed high requirements in terms of food biomass. Results highlighted the importance of pollen for overwintered predatory mites. The results obtained can help in understanding some aspects of the biology and behaviour of the three predatory mites in vineyards.
Starting Page	605
Ending Page	615
Page Count	11
File Format	PDF
ISSN	13866141
Journal	BioControl
Volume Number	60
Issue Number	5
e-ISSN	15738248
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-05-17
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Phytoseiidae Tetranychidae Vitis vinifera L. Biological control Spider mites Pollen Entomology Plant Pathology Agriculture Animal Ecology Animal Biochemistry Behavioral Sciences
Content Type	Text
Resource Type	Article
Subject	Insect Science Agronomy and Crop Science

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