Document Detail

Predation, development, and oviposition by the predatory mite Amblyseius swirkii (Acari: Phytoseiidae) on tomato russet mite (Acari: Eriophyidae).
MedLine Citation:
PMID:  20568599     Owner:  NLM     Status:  MEDLINE    
Predation, development, and oviposition experiments were conducted to evaluate Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) as a potential biological control agent for tomato russet mite, Aculops lycopersici (Massee) (Acari: Eriophyidae), which can be a serious pest of greenhouse tomatoes. Results showed that A. swirskii attacked all developmental stages of A. lycopersici and had a type II functional response at the prey densities tested. The attack rate and handling time estimates from the random predator equation were 0.1289/h and 0.2320 h, respectively, indicating that A. swirskii can consume 103.4 individuals per day. Predation rates of A. swirskii on A. lycopersici in the presence of alternative food sources such as pollen, first-instar thrips, or whitefly eggs were 74, 56, and 76%, respectively, compared with the predation rate on A. lycopersici alone. A. swirskii successfully completed their life cycle on either A. lycopersici or cattail (Typha latifolia L.) pollen. At 25 degrees C and 70% RH, developmental time of female A. swirskii fed on A. lycopersici or on cattail pollen was 4.97 and 6.16 d, respectively. For the first 10 d after molting to the adult stage, A. swirskii fed on A. lycopersici had higher daily oviposition rate (2.0 eggs per day) than on pollen (1.5 eggs per day). From this laboratory study, it can be concluded that A. swirskii has promising traits as a predator against A. lycopersici and that their populations can be maintained using alternative food sources such as cattail pollen. We suggest that the effectiveness of A. swirskii against A. lycopersici under field conditions needs next to be investigated.
Hong-Hyun Park; Les Shipp; Rosemarije Buitenhuis
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of economic entomology     Volume:  103     ISSN:  0022-0493     ISO Abbreviation:  J. Econ. Entomol.     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-06-23     Completed Date:  2010-07-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2985127R     Medline TA:  J Econ Entomol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  563-9     Citation Subset:  IM    
Greenhouse and Processing Crops Research Centre, Harrow, Ontario N0R 1G0, Canada.
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MeSH Terms
Lycopersicon esculentum
Mites / growth & development*
Pest Control, Biological*
Predatory Behavior*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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