title: Letter to the Editor.
authors.affiliation: Ontario Ministry of the Environment and Climate Change, Canada.
authors.forename: Trudy L
authors.initials: TL
authors.lastname: Watson-Leung
authors.affiliation: Ontario Ministry of the Environment and Climate Change, Canada.
authors.forename: Kim A
authors.initials: KA
authors.lastname: Mahon
authors.affiliation: Ontario Ministry of the Environment and Climate Change, Canada.
authors.forename: David G
authors.initials: DG
authors.lastname: Poirier
authors.affiliation: Ontario Ministry of the Environment and Climate Change, Canada.
authors.forename: Richard
authors.initials: R
authors.lastname: Chong-Kit
authors.affiliation: Ontario Ministry of the Environment and Climate Change, Canada.
authors.forename: Lisa
authors.initials: L
authors.lastname: Kennedy
authors.affiliation: Ontario Ministry of the Environment and Climate Change, Canada.
authors.forename: Melanie
authors.initials: M
authors.lastname: Appleton
mesh_terms: D000818:Animals; D007313:Insecta / Q000187:drug effects*; D007306:Insecticides / Q000633:toxicity*; D011722:Pyrethrins / Q000633:toxicity*; D014874:Water Pollutants, Chemical / Q000633:toxicity*
chemical_list: D007306:Insecticides; D011722:Pyrethrins; D014874:Water Pollutants, Chemical