Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"Brood Care"”.
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Social immunity in honey bee brood care: How Israeli acute paralysis virus influences nursing behavior
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms
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Genomic studies of social evolution in bees
… evidence that workers socially regulate both brood-feeding and egg-laying behavior in queens, and may also influence patterns of brain gene expression in queens. Lastly, in Chapter 5, I use a microarray experiment on B. terrestris to identify patterns of brain gene expression that are shared …
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Physiological bases of parental care in the burying beetles, Nicrophorus orbicollis
… Nicrophorus orbicollis, have extended biparental care. They bury and prepare small vertebrate carcasses as food for their young. While females provide the most care, single males show a remarkable behavioral compensation after a mate loss. Here, I integrate behavioral and physiological analyses of …
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Behavioral and molecular mechanisms of pheromone transmission in the honey bee (Apis mellifera)
… dominance, nest defense, and cooperative brood care. In honey bees, there are two distinct pheromones emitted by larvae, brood pheromone and (E)-beta-ocimene. By integrating behavior, chemical ecology, and transcriptomics, this dissertation analyzes several key stages in signal …
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The Spatiotemporal Dynamics of Nomadic Behavior in the Clonal Raider Ant, Ooceraea Biroi
… an entire colony of over 100,000 ants plus brood almost daily. Despite its prevalence, the question of how army ant colonies emigrate has been debated for many decades, and still awaits a definitive answer because conducting well-controlled field experiments with their massive and aggressive …
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From Forest Floors to Pharmacology: Elucidating Millipede Defensive Alkaloids for Drug Discovery
… including distinct anatomy, group behavior, brood care, and the production of terpenoid alkaloids. Prior to 2020, only 11 alkaloids were known. Herein, a total of 25 new terpenoid alkaloids are reported coming from three different genera, all belonging to the same order. Key findings include …
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Transcriptional response to spatial learning and foraging in honey bees: molecular bases for adult neuroplasticity
… and in foragers relative to hive bees engaged in brood care, and established its plausibility as a link between muscarinic signaling and neuropil growth.
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Individual reproductive strategies in the dusky warbler (Phylloscopus fuscatus)
… find a partner who is willing to assist her with brood care, thus she will have to accept territories and genetic fathers of lesser quality. The most unexpected finding on female mating behaviours is that this dichotomy between emancipated and help-dependent females is accompanied by morphological …
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Mechanisms involved in eusocial evolution in bees
… with maturation, reproductive status, and brood care in eusocial bees and wasps, suggesting that these shared genes may have been involved in eusocial evolution. The work in this dissertation leverages the power of new genomic technologies and uses a comparative approach to provide new …
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The evolution of caste-specific morphology and colony structure in ants
… the colony such as food collection, defense, and brood care. Workers are therefore released from the morphological constraints of reproduction and can physically adapt to other roles. In addition to exhibiting large degrees of morphological variation, eusocial insect colonies can also vary in …
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Safer without Sex?
… who engage in foraging, nest maintenance and brood care. In most species workers have little reproductive options left: They usually produce haploid males by arrhenotokous parthenogenesis, both in the queenright and queenless condition. In the phylogenetically primitive subfamily Ponerinae …
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Fitness Consequences of Clutch Size Decisions and Mate Change in Black Brant
… socially monogamous pair bonds and bi-parental brood care, decisions concerning how much to invest in reproduction and whether to remain with a partner could substantially affect lifetime fitness. I studied the fitness consequences of reproductive effort (Chapter 2) and mate change (Chapters …