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Full-Text Articles in Life Sciences

Experimental And Natural Variation In Hovering Flight Capacity In Bees, Hymenoptera: Apidae, Jason Thomas Vance Jan 2009

Experimental And Natural Variation In Hovering Flight Capacity In Bees, Hymenoptera: Apidae, Jason Thomas Vance

UNLV Theses, Dissertations, Professional Papers, and Capstones

In honey bees, the capacity for flight underlies many behaviors which impact fitness and longevity, such as the ability to forage or evade predators. However, flight capacity is not fixed across bees' lifespan, which is punctuated by a suite of physiological changes that accompany age and the transition from in-hive to foraging behaviors; thus, flight capacity may vary during periods of development, senescence, or in response to morphological damage such as wing wear. This dissertation describes the biomechanics and aerodynamics which contribute to the scope of honey bee flight performance, and investigates how age, behavioral development, and wing-wear affects flight …


Investigation Of Gene And Protein Expression Based On Honey Bee (Apis Mellifera) Aging, Flight Experience, And Behavior, Azucena A. Benito, G. E. Mancinelli, A. Ammons, Michelle M. Elekonich Aug 2008

Investigation Of Gene And Protein Expression Based On Honey Bee (Apis Mellifera) Aging, Flight Experience, And Behavior, Azucena A. Benito, G. E. Mancinelli, A. Ammons, Michelle M. Elekonich

Undergraduate Research Opportunities Program (UROP)

Honeybees undergo a process of adult behavioral development, spending their first 2-3 weeks working inside the constant environment of the hive. At about 3 weeks of age workers leave the hive as foragers who gather pollen and nectar. Previous research found that bees show an enormous decline in immunity as a result of their transition from regular hive jobs to more difficult foraging activities. Foragers can be forced to go back into hive-tasks, thus becoming “reverted nurses” which may also allow a reversal of immunosenescence. Understanding how this happens could prove to be useful because if there is flexibility in …