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Toxicity of spray and fumigant products containing cassia oil to Dermatophagoides farinae and Dermatophagoides pteronyssinus (Acari: Pyroglyphidae)

Cited 17 time in Web of Science Cited 21 time in Scopus
Authors
Kim, S. I.; Kim, H. K.; Koh, Y. Y.; Clark, J. M.; Ahn, Y. J.
Issue Date
2006-06-21
Publisher
Wiley-Blackwell
Citation
Pest Manag Sci. 2006 Aug;62(8):768-74.
Keywords
AnimalsBenzoatesCinnamomum aromaticum/*chemistryDeet*Dermatophagoides farinae*Dermatophagoides pteronyssinusDibutyl PhthalateFumigationInsecticides/administration & dosage/*analysisPlant Oils/administration & dosage/*chemistry
Abstract
The toxicity of formulations of oil of cassia, Cinnamomum cassia Blume, (20 and 50 g L(-1) sprays and 100% oil-based fumigant) to adult Dermatophagoides farinae Hughes and D. pteronyssinus Trouessart was examined using contact and vapour-phase toxicity bioassays. Results were compared with the lethal activity of three commercial acaricides: benzyl benzoate, dibutyl phthalate and diethyl-m-toluamide (deet). The contact toxicity of cassia oil to both dust mite species was comparable with that of benzyl benzoate but was higher than that of the other two acaricides. Sprays containing 20 and 50 g L(-1) cassia oil were effective against both mite species when applied to fabric, glass, paper, plastic, tin or wood substrates. Applications of the 50 g L(-1) spray to different space volumes and surface areas determined that 50-60 mg of cassia oil was needed to control dust mites in 3.4 m(3) or in 1 m(2). In tests with fumigant devices, toxicity varied according to the thickness of non-woven fabric covering the device, the exposure time, the number of fumigant devices used and the volume of the space sprayed. Fumigant toxicity to adult D. pteronyssinus was more pronounced with devices enclosed in thinner (40 microm) versus thicker (45 or 50 microm) non-woven fabric covers. A single fumigant device with a 40 microm thick non-woven fabric cover resulted in substantial control in a space of 0.05 m(3) but exhibited only moderate to weak control in spaces >or= 0.097 m(3) at 4 days after application. Two fumigant devices gave 88% mortality in a space of 1.73 m(3). Cassia oil applied as sprays or in fumigant devices appears to provide effective protection of humans from house dust mites.
ISSN
1526-498X (Print)
Language
English
URI
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=16786540

https://hdl.handle.net/10371/22577
DOI
https://doi.org/10.1002/ps.1243
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College of Medicine/School of Medicine (의과대학/대학원)Immunology (면역학전공)Journal Papers (저널논문_면역학전공)
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