NDLI: Solid artificial diets for the phytoseiid predator Amblyseius swirskii

Content Provider	Springer Nature Link
Author	Nguyen, Duc Tung Vangansbeke, Dominiek De Clercq, Patrick
Copyright Year	2014
Abstract	Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) is a key predator of a wide range of pests including thrips, whitefly and several mite pests. A number of artificial diets have been developed for this predator, but all of these are liquid, complicating their use in mass production. In the present study, we investigated the survival, development and reproduction of A. swirskii fed on several dry artificial diets: the tested diets were freeze dried forms of previously developed liquid meridic artificial diets supplemented with extracts of decapsulated cysts of Artemia franciscana Kellogg (Anostraca: Artemiidae) or with pupal hemolymph of Chinese oak silkworm Antheraea pernyi (Guérin-Méneville) (Lepidoptera: Saturniidae), and newly composed powdered meridic artificial diets supplemented with ground dry A. franciscana cysts or lyophilized pupal hemolymph of A. pernyi. Performance of the mite on the artificial diets was compared with that on cattail pollen (Typha latifolia L.). Developmental time of A. swirskii females offered lyophilized diets was significantly shorter than on powdered diets. Total fecundity was significantly higher for females fed on the lyophilized diets than for those maintained on the powdered diet with A. franciscana. Daily oviposition rates were similar on T. latifolia pollen and both lyophilized diets but lower on both powdered diets. The highest intrinsic rate of increase was observed when A. swirskii was fed on T. latifolia pollen (0.210 females per female per day), followed by the freeze dried diets enriched with A. pernyi and A. franciscana (0.195 and 0.184 females per female per day, respectively), and the lowest growth rates were observed on the powdered diets supplemented with A. franciscana and A. pernyi (0.159 and 0.158 females per female per day, respectively). In conclusion, the phytoseiid was able to effectively feed on solid, powdered artificial diets. Freeze-drying of liquid diets did not influence their value to support the development and reproduction of A. swirskii. For mass rearing purposes, these dry diets have several advantages over liquid ones, including more convenient application and storage. Furthermore, they are believed to have better potential for use as supplemental foods to sustain predatory mite populations in the crop after release.
Starting Page	719
Ending Page	727
Page Count	9
File Format	PDF
ISSN	13866141
Journal	BioControl
Volume Number	59
Issue Number	6
e-ISSN	15738248
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-08-07
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Amblyseius swirskii Artemia franciscana Antheraea pernyi Life table Artificial diet Augmentative biological control Entomology Plant Pathology Agriculture Animal Ecology Animal Biochemistry Behavioural Sciences
Content Type	Text
Resource Type	Article
Subject	Insect Science Agronomy and Crop Science

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