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Title: Lambda-cyhalothrin spray as an insectproofing agent for woollen fabrics
Authors: Veer, Vijay
Gopalan, N
Rao, K M
Keywords: Anthrenus flavipes;Insectproofing;Lambda-cyhalothrin;Synthetic pyrethroid;Tinea translucens;Woollen fabric
Issue Date: Sep-2001
Publisher: NISCAIR-CSIR, India
Abstract: The effectiveness of synthetic pyrethroid lambda-cyhalothrin at 0.01, 0.025 and 0.05% concentrations as solvent-based sprays was evaluated against the larvae of the tropical case making clothes moth,Tinea translucens Meyrick and the furniture carpet beetle, Anthrenus falvipes LeConte. Lambda-cyhalothrin spray at 0.025 % concentration provided high degree of protection to the wool fabric even after 30 months of the ageing of treated fabric from these two serious wool pests.Lambda-cyhalothrin showed ovicidal action as all eggs, laid on the treated fabric by the moths, were killed. The minimum effective concentration of lambda-cyhalothrin for complete protection of woollen fabric was determined to be 0.005% on wool weight against the larvae of A. flavipes. T. translucens was found more susceptible than A. flavipes to lambda-cyhalothrin. Residue of lambda-cyhalothrin was estimated 25-35% lower than its initial deposits on the fabrics after 30months of its application.
Page(s): 308-312
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.26(3) [September 2001]

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