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Advances in tortricid systematics and identification (Lepidoptera: Tortricidae)

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dc.contributor.authorGilligan, Todd Michael, author
dc.contributor.authorOpler, Paul, advisor
dc.contributor.authorKondratieff, Boris, advisor
dc.contributor.authorWalters, Terrence, committee member
dc.contributor.authorBrown, John, committee member
dc.contributor.authorSimmons, Mark, committee member
dc.date.accessioned2007-01-03T05:58:40Z
dc.date.available2007-01-03T05:58:40Z
dc.date.issued2012
dc.description.abstractThe Tortricidae is a large family in the microlepidoptera, consisting of more than 10,300 species in 1,070 genera. Many tortricids are considered to be economically important, and the family contains the highest percentage of pest species in the Lepidoptera. This dissertation provides significant advances in tortricid systematics and identification through the implementation of modern technologies such as matrix-based identification keys and molecular phylogenetics. Chapter 2 focuses on Tortricidae threatening U.S. agriculture. The resulting resource, Tortricids of Agricultural Importance (TortAI - http://www.tortai.org), is designed to aid in the identification of tortricid adults encountered during domestic surveys and tortricid larvae encountered during quarantine inspections at U.S. ports of entry. Chapters 3-5 provide details on the three tortricid pests currently of greatest importance to U.S. agriculture: Epiphyas postvittana (Walker), Lobesia botrana ([Denis and Schiffermüller]), and Thaumatotibia leucotreta (Meyrick). Chapter 6 details the discovery of a new tortricid species with the potential to threaten avocado production in California. Chapter 7 describes the benefits and disadvantages to using DNA barcoding for identification purposes and outlines a novel DNA sequence search tool developed for use in TortAI. Phylogenetic relationships surrounding Eucosma, the largest genus within the Tortricidae, are examined in chapters 8-9. A molecular phylogeny and revised classification for Eucosma and related genera provide the groundwork for future study of these highly diverse taxa.
dc.format.mediumborn digital
dc.format.mediumdoctoral dissertations
dc.identifierGilligan_colostate_0053A_11469_opt.pdf
dc.identifierETDF2012500357BSPM
dc.identifier.urihttp://hdl.handle.net/10217/80349
dc.languageEnglish
dc.language.isoeng
dc.publisherColorado State University. Libraries
dc.relation.ispartof2000-2019
dc.rightsCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.
dc.titleAdvances in tortricid systematics and identification (Lepidoptera: Tortricidae)
dc.typeText
dcterms.rights.dplaThis Item is protected by copyright and/or related rights (https://rightsstatements.org/vocab/InC/1.0/). You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).
thesis.degree.disciplineBioagricultural Sciences and Pest Management
thesis.degree.grantorColorado State University
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy (Ph.D.)

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