San Diego Management & Monitoring Program

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Threats and Stressors
Quino Herbicide Study

completed

Project description

This project was designed to test for any effects of the commercially available taxon-specific herbicides Fusilade II, Transline, and application surfactant on Quino checkerspot butterfly larval development, survival, and pupal weights. The experimental design tested for direct and indirect effects on the proportion of larvae that pupate as well as the weights of the pupa. Part of this project was completed as Task 2 under LAG agreement #P0982020 in place of Triolored blackbird task.

Project focus

Target species: Quino checkerspot butterfly

Investigator: Douglas Deutschman; Kathy S. Williams

Main implementing entity: San Diego State University

SDMMP lead: Yvonne Moore

Strategic elements

Budget year: pre FY15-1; Work plan objectives number:

Files and Documents

2012 Evaluating the sensitivity of Quino Checkerspot Butterfly (Euphydryas editha quino) to two herbicides commonly used for habitat restoration and management

Prepared by:San Diego State University