00000nam 2200000zi 4500 9.880597 CaOODSP 20241203113652 m o d f cr bn||||||||| 191015s1979 bccab ob f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre n-cn-bc x7x7 En40-240/79-27E-PDF Wan, M. T. K.‏, author. Impact of insect growth regulators on aquatic organisms co-existing with mosquito larvae / by M.T.K. Wan. [West Vancouver, B.C.] : Aquatic Programs and Contaminants Control, Environmental Protection Service, Pacific Region, 1979. 1 online resource (viii, 59 pages) : illustrations, maps. text txt rdacontent computer c rdamedia online resource cr rdacarrier Regional program report ; 79-27 "December, 1979." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (pages 32-36). "The impact of insect growth regulators Altosid and Dimilin on selected non-targeted organisms was determined during experimental applications for mosquito control in British Columbia. Residues in water, persistence in the environment, and effects on aquatic crustaceans and insects of the two growth inhibitors were monitored. Altosid was effective against mosquitoes and appeared harmless to marsh crabs, crustaceans, and fish at the Tsawwassen salt marshes. Dimilin treatments at Fort Langley, B.C., suppressed mosquito populations and reduced the population of zooplankton and certain non-target insects. Residues of these growth regulators were relatively persistent in the environment. The implications of these findings, and the effectiveness of insect growth regulators as mosquito control agents and their environmental consequences are discussed"--Abstract, page i. Issued also in print format. Includes abstracts in English and French. gccst Pesticides gccst Aquatic animals Canada. Environment Canada. Canada. Environmental Protection Service. Pacific Region. Regional program report (Canada. Environmental Protection Service. Pacific Region) 79-27. (CaOODSP)9.879151 PDF 1.79 MB https://publications.gc.ca/collections/collection_2019/eccc/en40-240/En40-240-79-27-eng.pdf