{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/130212"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/130212","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Differentiating morphologically similar cerambycid beetle species by molecular and chemical analyses","abstract":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01","abstract_html":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01","abstract_has_math":false,"creators":["Udayakumar, Anupama"],"institution":"University of Illinois Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Entomology","degree_department":null,"school":null,"contributors":["Hanks, Lawrence M.","Katz, Aron D","Suarez, Andrew V","Ngumbi, Esther N."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2025,"date_issued":"2025-07-21","date_published":"2025-07-21","updated_at":"2026-07-22T22:25:06Z","subjects":["Molecular","Chemical","Hydrocarbon","Barcoding","Coi","Cerambycid","Long-horned Beetles","Beetles","Pest Management"],"languages":["en","eng"],"rights":["Copyright 2025 Anupama Udayakumar"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/130212","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Hanks, Lawrence M.","Katz, Aron D","Suarez, Andrew V","Ngumbi, Esther N."]},{"key":"dc:creator","label":"Author","values":["Udayakumar, Anupama"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2025-07-21","2025-08"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Entomology"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Molecular","Chemical","Hydrocarbon","Barcoding","Coi","Cerambycid","Long-horned Beetles","Beetles","Pest Management"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2025 Anupama Udayakumar"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/130212"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01","The student, Anupama Udayakumar, accepted the attached license on 2025-07-18 at 18:37.","The student, Anupama Udayakumar, submitted this Thesis for approval on 2025-07-18 at 18:51.","This Thesis was approved for publication on 2025-07-21 at 10:44.","DSpace SAF Submission Ingestion Package generated from Vireo submission #22664 on 2025-10-25 at 15:54:23","The Cerambycidae, the longhorn beetles, is among the largest insect families with at least 35,000 described species. In their native ranges, cerambycids may provide important ecosystem services by initiating the breakdown of dying and dead tissues of woody plants, recycling the nutrients into forest ecosystems. However, some species are also pests due to their ability to damage wood or transmit plant diseases. As larvae of most cerambycid species are long-lived and can develop within lumber, palettes, dunnage, and other wooden products, they are also readily transported to new countries by international commerce, making them high-risk exotic species. A problem in managing some cerambycid pests is the difficulty discriminating between morphologically similar congeners. This study tests the hypothesis that cuticular hydrocarbon profiling provides an accurate means of identification. The study species were the morphologically similar congeners Graphisurus despectus (LeConte) and G. fasciatus (Degeer) (subfamily Lamiinae: tribe Acanthocinini) that are native to the eastern US. Forty-five adult beetles were collected from field sites in east-central Illinois, their hydrocarbons were extracted, and profiles were characterized and compared to identify consistent and diagnostic components. The beetles also were subjected to DNA sequencing to confirm the species status of the specimens. This study supported the hypothesis that hydrocarbon profiling is an efficient, cost-effective alternative to molecular methods for distinguishing between morphologically similar species of cerambycids, with potential applications in monitoring endangered species and managing pest species."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Differentiating morphologically similar cerambycid beetle species by molecular and chemical analyses"]}]}],"canonical_facts":{"dc:contributor":["Hanks, Lawrence M.","Katz, Aron D","Suarez, Andrew V","Ngumbi, Esther N."],"dc:creator":["Udayakumar, Anupama"],"dc:date":["2025-07-21","2025-08"],"dc:description":["Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01","The student, Anupama Udayakumar, accepted the attached license on 2025-07-18 at 18:37.","The student, Anupama Udayakumar, submitted this Thesis for approval on 2025-07-18 at 18:51.","This Thesis was approved for publication on 2025-07-21 at 10:44.","DSpace SAF Submission Ingestion Package generated from Vireo submission #22664 on 2025-10-25 at 15:54:23","The Cerambycidae, the longhorn beetles, is among the largest insect families with at least 35,000 described species. In their native ranges, cerambycids may provide important ecosystem services by initiating the breakdown of dying and dead tissues of woody plants, recycling the nutrients into forest ecosystems. However, some species are also pests due to their ability to damage wood or transmit plant diseases. As larvae of most cerambycid species are long-lived and can develop within lumber, palettes, dunnage, and other wooden products, they are also readily transported to new countries by international commerce, making them high-risk exotic species. A problem in managing some cerambycid pests is the difficulty discriminating between morphologically similar congeners. This study tests the hypothesis that cuticular hydrocarbon profiling provides an accurate means of identification. The study species were the morphologically similar congeners Graphisurus despectus (LeConte) and G. fasciatus (Degeer) (subfamily Lamiinae: tribe Acanthocinini) that are native to the eastern US. Forty-five adult beetles were collected from field sites in east-central Illinois, their hydrocarbons were extracted, and profiles were characterized and compared to identify consistent and diagnostic components. The beetles also were subjected to DNA sequencing to confirm the species status of the specimens. This study supported the hypothesis that hydrocarbon profiling is an efficient, cost-effective alternative to molecular methods for distinguishing between morphologically similar species of cerambycids, with potential applications in monitoring endangered species and managing pest species."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/130212"],"dc:language":["en","eng"],"dc:rights":["Copyright 2025 Anupama Udayakumar"],"dc:subject":["Molecular","Chemical","Hydrocarbon","Barcoding","Coi","Cerambycid","Long-horned Beetles","Beetles","Pest Management"],"dc:title":["Differentiating morphologically similar cerambycid beetle species by molecular and chemical analyses"],"dc:type":["text"],"thesis:degree_discipline":["Entomology"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:06Z"}