Behavioural Genetics and Social Environment in the Small Carpenter Bee, Ceratina Calcarata

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dc.contributor.advisorRehan, Sandra
dc.contributor.authorHuisken, Jesse Leon
dc.date.accessioned2022-03-03T14:03:42Z
dc.date.available2022-03-03T14:03:42Z
dc.date.copyright2021-11
dc.date.issued2022-03-03
dc.date.updated2022-03-03T14:03:42Z
dc.degree.disciplineBiology
dc.degree.levelMaster's
dc.degree.nameMSc - Master of Science
dc.description.abstractMost bees are solitary but the eastern small carpenter bee, Ceratina calcarata, are both subsocial and facultatively social. Females form associations of parents and a single generation of offspring, often including a smaller under provisioned dwarf eldest daughter (DED) who feeds her adult siblings. To study the influence of social environment on this species, firstly, observation nests were constructed, and secondly, I conducted an experiment in the field to compare gene expression profiles among ages and phenotypes of foraging females. Observation nests were treated by removing either only mothers, or both mothers and DEDs. In the absence of mothers offspring were more tolerant, and aggression was significantly greater in the absence of both mother and DED. Here I also present brain gene expression profiles of foraging mothers, DEDs in the presence and absence of mothers, and regular daughters. I found significant differences in gene expression associated with age, size and social environment.
dc.identifier.urihttp://hdl.handle.net/10315/39103
dc.languageen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectBehavioral sciences
dc.subject.keywordsSociobiology
dc.subject.keywordsBehavioural genetics
dc.subject.keywordsSociogenomics
dc.subject.keywordsTranscriptomics
dc.subject.keywordsAggression
dc.subject.keywordsTolerance
dc.subject.keywordsCarpenter bee
dc.subject.keywordsHymenoptera
dc.subject.keywordsSibling cooperation
dc.subject.keywordsNutritional manipulation
dc.subject.keywordsMaternal care
dc.subject.keywordsPhenotypic plasticity
dc.titleBehavioural Genetics and Social Environment in the Small Carpenter Bee, Ceratina Calcarata
dc.typeElectronic Thesis or Dissertation

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