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Accession Number 5001000

Title Effects of temephos and methoprene on macroinvertebrates and amphibian larvae in

freshwater macrocosms

Project Description The Fish and Wildlife Service (FWS) has a policy to minimize or eliminate pesticide use on

National Wildlife Refuges (NWR). However, the policy is frequently set aside if mosquitoes from

NWRs are a potential public nuisance or threat to public health. Thus, mosquito control pesticide

usage on NWRs is wide spread and the FWS is concerned about their potential adverse impacts

on non-target organisms. This study is evaluating the effects of two mosquito control agents,

Abate and Altosid, on amphibians, zooplankton, and emergent insects inhabiting experimental

wetlands. Objectives: (1) Determine if there are short-term ( Application of the Research

(mandatory; maximum length: 4000 characters) - This is a description of the expected outcome

and the anticipated application of the results, expressed especially to help meet the requirements

of GPRA, the Government Performance and Results Act. A short statement (several sentences) is

sufficient; at most, do not exceed one page in length. Example: These data eventually will be

used in a forest simulation model to evaluate management options for restoration of degraded

tropical forests in Hawaii; development of that model may be proposed in a new study plan.

Application of the Research:

Keywords abate, altosid, amphibians, daphnia magna, emergent insects, mosquito control, wetlands,

zooplankton,

Principal T. P Lowe, USGS Patuxent Wildlife Research Center: Peter_Lowe@usgs.gov; Donald W Sparling,

Investigators USGS Patuxent Wildlife Research Center: Don_Sparling@usgs.gov; Alfred Pinkney, U.S. Fish

and Wildlife Service, Chesapeake Bay Field Office: Fred_Pinkney@fws.gov;

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