Consequences of Chemical Asian Longhorned Beetle Eradication March 10, 2013
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Consequences of Chemical Asian Longhorned Beetle Eradication March 10, 2013 An Interactive Qualifying Project Report Worcester Polytechnic Institute By: Gregory J Hutchinson Nicholas Morassi Da Teng Yan Yan Advisors: David Spanagel Assistant Professor of History, Worcester Polytechnic Institute John MacDonald Associate Professor of Chemistry, Worcester Polytechnic Institute Sponsor: John Tycz Owner GoOrganic LLC Consequences of Chemical ALB Eradication IQP 2012-2013 DIS-HU05 Abstract This paper focuses on the use of chemical eradication as a response to Asian Longhorn Beetle infestation. Situated firmly in the historical context of the environmentalist movement, as well as the context of chemical pesticides, the project evaluates the use of the chemical pesticide Imidacloprid, used since the beetle’s first appearance in Worcester, Massachusetts. Soil samples were collected from two sites and analyzed using gas chromatography for their current levels of Imidacloprid. The group found concentrations ranging on average from 0.00301 to 0.02480 milligrams of Imidacloprid per kilogram of soil at one site; the other site presented undetectable concentrations. According to current EPA standards for pesticide persistence, these results do not pose a threat to living organisms. 2 Consequences of Chemical ALB Eradication IQP 2012-2013 DIS-HU05 Acknowledgements Marion H. Emmert Assistant Professor, Chemistry & Biochemistry Masters Albert – Ludwigs – Universitaet Freiburg, Germany PhD Westfaelische Wilhelms – Universitaet Muenster, Germany [email protected] John C. MacDonald Associate Professor, Chemistry B.A. Bowdoin College 1987 PhD University of Minnesota 1993 [email protected] Paula Moravek Operations Manager, Chemistry & Biochemistry Department [email protected] Rhonda Santos Legislative and Public Affairs USDA Animal and Plant Health Inspection Service Asian Longhorned Beetle (ALB) Eradication Program [email protected] David Spanagel Assistant Professor, History B.A. Oberlin College, 1982 MSEd, University of Rochester, 1984 PhD Harvard University, 1996 [email protected] John Tycz Owner of GoOrganic LLC [email protected] 3 Consequences of Chemical ALB Eradication IQP 2012-2013 DIS-HU05 Table of Contents 1.0 Introduction ..................................................................................................................................................... 7 2.0 Background ................................................................................................................................................... 10 2.1 The Advent of Environmentalism .................................................................................................... 10 2.2 A Shift in Balance from Biocentrism to Anthropocentrism ................................................... 10 2.3 Emerging Public Awareness of the Dangers of Synthetic Insecticides ............................. 11 2.4 The Birth of Environmental Protection Agency ......................................................................... 17 2.5 Integrated Pest Management ............................................................................................................ 18 2.6 Environmentalism in the 21st Century ......................................................................................... 20 2.7 Invasive Species ...................................................................................................................................... 21 2.8 The Asian Longhorned Beetle ........................................................................................................... 22 2.8.1 Life Stages and Reproduction Rate of the Asian Longhorned Beetle ........................ 24 2.8.2 Why the Nature of the Asian Longhorned Beetle is Particularly Dangerous ......... 25 2.8.3 Host Trees for the Asian Longhorned Beetle ...................................................................... 26 2.8.4 The Asian Longhorned Beetle Invasion of the United States........................................ 26 2.8.5 Why Urban Areas ........................................................................................................................... 27 2.8.6 Threat of the Asian Longhorned Beetle ................................................................................ 28 2.8.7 USDA Eradication Program Worcester ................................................................................. 29 2.8.8 Surveying .......................................................................................................................................... 29 2.8.9 Public Reactions in Worcester .................................................................................................. 30 2.9 Introduction to Imidacloprid............................................................................................................. 31 2.9.1 Human Exposure ........................................................................................................................... 34 2.9.1.1 Oral ............................................................................................................................................. 34 2.9.1.2 Dermal Exposure ................................................................................................................... 34 2.9.1.3 Inhalation ................................................................................................................................. 34 2.9.2 Plant Exposure ................................................................................................................................ 35 2.9.3 Biochemical Consequences of Imidacloprid ....................................................................... 36 2.9.3.1 Earthworm ............................................................................................................................... 36 2.9.3.2 Soil Respiration ...................................................................................................................... 38 2.9.3.3 Plant Germination ................................................................................................................. 38 2.9.3.4 Bee Colonies ............................................................................................................................ 39 2.9.3.5 Other Insects ........................................................................................................................... 41 2.9.3.6 Amphibians .............................................................................................................................. 42 4 Consequences of Chemical ALB Eradication IQP 2012-2013 DIS-HU05 2.9.3.7 Birds ........................................................................................................................................... 43 2.9.3.8 Mammals .................................................................................................................................. 44 2.9.3.9 Additional Potential Risks: Inert Ingredient in Commercial Pesticides ........... 47 3.0 Methodology ................................................................................................................................................. 48 3.1 Overview of Treated Sites ................................................................................................................... 48 3.2 Why We Chose Our Sites ..................................................................................................................... 51 3.3 Procedures for Collecting Samples ................................................................................................. 52 3.4 Mapping Out the Sample Sites .......................................................................................................... 56 3.5 Sample Analysis ...................................................................................................................................... 58 4.0 Results & Discussion.................................................................................................................................. 60 4.1 Results ........................................................................................................................................................ 60 4.1.1 Explanation of Outlier Data ....................................................................................................... 65 4.1.2 Proposed Reasons for No Results at Spruce Pond Site ................................................... 66 4.2 Comparison of Data with Official Values....................................................................................... 68 4.3 Risk Assessment ..................................................................................................................................... 68 5.0 Conclusion ..................................................................................................................................................... 71 5.1 Project Summary .................................................................................................................................... 71 5.2 Future Direction ..................................................................................................................................... 71 5.2.1 Testing Additional Sites .............................................................................................................. 71 5.2.2 Alternate Routes of Testing ......................................................................................................