The Status of Euhrychiopsis lecontei (Dietz) (Coleoptera: Curculionidae) in California, with Notes on Other Weevils Associated with Milfoil

Andrew R. Cline; Baldo Villegas; Michael J. Pitcairn; Charles W. O'Brien

doi:10.1649/0010-065X-67.2.75

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Andrew R. Cline,¹ Baldo Villegas,² Michael J. Pitcairn,³ Charles W. O'Brien⁴

¹Plant Pest Diagnostics Branch, California Department of Food & Agriculture 3294 Meadowview Road, Sacramento, CA 95832-1448, U.S.A. acline@cdfa.ca.gov
²Retired, Integrated Pest Control Branch, California Department of Food & Agriculture 3288 Meadowview Road, Sacramento, CA 95832, U.S.A. baldo@sactorose.org
³Integrated Pest Control Branch, California Department of Food & Agriculture 3288 Meadowview Road, Sacramento, CA 95832, U.S.A. mpitcairn@cdfa.ca.gov
⁴Department of Entomology, University of Arizona Forbes 410, Tucson, AZ 85721-0036, U.S.A. cobrien6@cox.net

Abstract

As part of an ongoing survey to determine the geographic distribution of Euhrychiopsis lecontei (Dietz) in California water systems, three aquatic species from two subfamilies of Curculionidae were found associated with two species of water milfoil. An accounting of weevils associated with water milfoil is provided, as well as a brief synopsis of E. lecontei as a biological control agent, a detailed distribution map for E. lecontei in California, and diagnostic characters to distinguish E. lecontei from other aquatic and semi-aquatic weevils.

Citation Download Citation

Andrew R. Cline, Baldo Villegas, Michael J. Pitcairn, and Charles W. O'Brien "The Status of Euhrychiopsis lecontei (Dietz) (Coleoptera: Curculionidae) in California, with Notes on Other Weevils Associated with Milfoil," The Coleopterists Bulletin 67(2), 75-80, (1 June 2013). https://doi.org/10.1649/0010-065X-67.2.75

Received: 3 January 2013; Accepted: 14 April 2013; Published: 1 June 2013

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