{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/16172"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/16172","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Phylogeny and color pattern evolution in a New World bumble bee (Hymenoptera: Apidae: Bombus: Pyrobombus) species complex","abstract":"Bombus ephippiatus is one of the most common and widespread bumble bee species throughout Mexico and Central America. This robust and charismatic species possesses a highly variable color pattern throughout its wide distribution across montane and lowland regions, which raises the question of whether or not it is in fact one species. I examined the molecular phylogeny of B. ephippiatus populations and its sister species, B. wilmattae and B. impatiens, with the aims of resolving the species relationships, distinguishing species boundaries and examining correlations between color pattern and phylogeny. I applied DNA sequences from three genes to resolve the species-level phylogeny and to gain insight into the population structure of B. ephippiatus. The results reveal that B. impatiens is the sister group to B. ephippiatus + B. wilmattae. Results also suggest that B. ephippiatus is paraphyletic with respect to B. wilmattae, as B. wilmattae attaches to the Costa Rican B. ephippiatus clade. The B. ephippiatus + B. wilmattae complex appears to be associated with geography and color pattern, providing new insights into the evolutionary history of this complex.","abstract_html":"Bombus ephippiatus is one of the most common and widespread bumble bee species throughout Mexico and Central America. This robust and charismatic species possesses a highly variable color pattern throughout its wide distribution across montane and lowland regions, which raises the question of whether or not it is in fact one species. I examined the molecular phylogeny of B. ephippiatus populations and its sister species, B. wilmattae and B. impatiens, with the aims of resolving the species relationships, distinguishing species boundaries and examining correlations between color pattern and phylogeny. I applied DNA sequences from three genes to resolve the species-level phylogeny and to gain insight into the population structure of B. ephippiatus. The results reveal that B. impatiens is the sister group to B. ephippiatus + B. wilmattae. Results also suggest that B. ephippiatus is paraphyletic with respect to B. wilmattae, as B. wilmattae attaches to the Costa Rican B. ephippiatus clade. The B. ephippiatus + B. wilmattae complex appears to be associated with geography and color pattern, providing new insights into the evolutionary history of this complex.","abstract_has_math":false,"creators":["Duennes, Michelle A."],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Entomology","degree_department":null,"school":null,"contributors":["Cameron, Sydney A."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2010,"date_issued":"2010-05-19T18:39:45Z","date_published":"2010-05-19T18:39:45Z","updated_at":"2026-07-22T22:25:08Z","subjects":["bumble bees","species delimitation","Mesoamerica","color pattern"],"languages":["en"],"rights":["Copyright 2010 Michelle A. Duennes"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/16172","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Cameron, Sydney A."]},{"key":"dc:creator","label":"Author","values":["Duennes, Michelle A."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2010-05-19T18:39:45Z","2010-5"]},{"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 at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["bumble bees","species delimitation","Mesoamerica","color pattern"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2010 Michelle A. 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I applied DNA sequences from three genes to resolve the species-level phylogeny and to gain insight into the population structure of B. ephippiatus. The results reveal that B. impatiens is the sister group to B. ephippiatus + B. wilmattae. Results also suggest that B. ephippiatus is paraphyletic with respect to B. wilmattae, as B. wilmattae attaches to the Costa Rican B. ephippiatus clade. The B. ephippiatus + B. wilmattae complex appears to be associated with geography and color pattern, providing new insights into the evolutionary history of this complex.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2010-04-29T13:58:21Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 3 Duennes_Michelle.pdf: 28317741 bytes, checksum: 3cf6b3ad03e307227c013a0f1050c5df (MD5) Duennes_Michelle.doc: 24681472 bytes, checksum: 5b0e8a1db47341d8ed1e4cf7759a6634 (MD5) Duennes_Michelle.pdf: 28317741 bytes, checksum: 3cf6b3ad03e307227c013a0f1050c5df (MD5)","Made available in DSpace on 2010-05-19T18:39:45Z (GMT). No. of bitstreams: 4 Duennes_Michelle.pdf: 28317741 bytes, checksum: 3cf6b3ad03e307227c013a0f1050c5df (MD5) Duennes_Michelle.doc: 24681472 bytes, checksum: 5b0e8a1db47341d8ed1e4cf7759a6634 (MD5) 1_Duennes_Michelle.pdf: 28317741 bytes, checksum: 3cf6b3ad03e307227c013a0f1050c5df (MD5) license.txt: 4066 bytes, checksum: 51182ae63afc8b270e13b5312d762975 (MD5)"]},{"key":"dc:title","label":"Title","values":["Phylogeny and color pattern evolution in a New World bumble bee (Hymenoptera: Apidae: Bombus: Pyrobombus) species complex"]}]}],"canonical_facts":{"dc:contributor":["Cameron, Sydney A."],"dc:creator":["Duennes, Michelle A."],"dc:date":["2010-05-19T18:39:45Z","2010-5"],"dc:description":["Bombus ephippiatus is one of the most common and widespread bumble bee species throughout Mexico and Central America. This robust and charismatic species possesses a highly variable color pattern throughout its wide distribution across montane and lowland regions, which raises the question of whether or not it is in fact one species. I examined the molecular phylogeny of B. ephippiatus populations and its sister species, B. wilmattae and B. impatiens, with the aims of resolving the species relationships, distinguishing species boundaries and examining correlations between color pattern and phylogeny. I applied DNA sequences from three genes to resolve the species-level phylogeny and to gain insight into the population structure of B. ephippiatus. The results reveal that B. impatiens is the sister group to B. ephippiatus + B. wilmattae. Results also suggest that B. ephippiatus is paraphyletic with respect to B. wilmattae, as B. wilmattae attaches to the Costa Rican B. ephippiatus clade. The B. ephippiatus + B. wilmattae complex appears to be associated with geography and color pattern, providing new insights into the evolutionary history of this complex.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2010-04-29T13:58:21Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 3 Duennes_Michelle.pdf: 28317741 bytes, checksum: 3cf6b3ad03e307227c013a0f1050c5df (MD5) Duennes_Michelle.doc: 24681472 bytes, checksum: 5b0e8a1db47341d8ed1e4cf7759a6634 (MD5) Duennes_Michelle.pdf: 28317741 bytes, checksum: 3cf6b3ad03e307227c013a0f1050c5df (MD5)","Made available in DSpace on 2010-05-19T18:39:45Z (GMT). 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