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Optimal efficacy of a fungicide preparation, natamycin, in the control of the house-dust mite, Dermatophagoides pteronyssinus.

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De Saint Georges-Gridelet, D. [UCL]

The efficacy of a fungicidal preparation, natamycin, for the effective control of Dermatophagoides pteronyssinus (Trouessart), was determined at different concentrations on mattress-dust microsites, including ticking. One treatment with the commercially available natamycin concentration (Tymasil) resulted in a 65% reduction of house-dust mite populations within 4 weeks of treatment. The acaricidal control could be proven despite the protective role of mattress fibres such as ticking. However, mite fecundity was much more affected after treatment with twice the commercial concentration, which then assured a long-term control. Concentrations below the commercially available one were not effective. In a maritime climate, six sequential treatments three times a year would be effective for an adequate long-term control because of the high growth of house-dust fungi and the close interaction between the mite and the mould Aspergillus penicilloides.

Document type Article de périodique (Journal article) – Journal Article
Publication date 1988
Journal information "Experimental & applied acarology" - Vol. 4, no. 1, p. 63-72 (1988)
Peer reviewed yes
issn 0168-8162
Publication status Publié
Affiliation UCL - SC/BIOL - Département de biologie
MESH Subject Animals ; Beds ; Dust ; Female ; Male ; Mites ; Natamycin
Links
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Bibliographic reference De Saint Georges-Gridelet, D.. Optimal efficacy of a fungicide preparation, natamycin, in the control of the house-dust mite, Dermatophagoides pteronyssinus.. In: Experimental & applied acarology, Vol. 4, no. 1, p. 63-72 (1988)
Permanent URL http://hdl.handle.net/2078.1/14011