期刊
ECOLOGICAL ENTOMOLOGY
卷 29, 期 1, 页码 52-59出版社
WILEY
DOI: 10.1111/j.0307-6946.2004.00573.x
关键词
ageing; Apis mellifera; foraging preference; inflorescence; Lavandula stoechas; wing damage
类别
1. Nectar-foraging honeybees (Apis mellifera) on lavender (Lavandula stoechas) appear to forage so as to maximise net energy return from foraging bouts; however, evidence from other studies suggests that foraging has a detrimental effect on survival, due at least in part to physiological deterioration of the flight mechanism. But foragers also acquire wing damage during foraging, which may increase foraging effort and reduce foraging lifespan. 2. The accumulation of damage over time and its effects on foraging flight and flower choice were studied in the field using a system in which the criteria for flower preference by foragers was known from previous work. Wing damage accumulated exponentially over time and resulted in foragers becoming less choosy about the flowers they visited. 3. Damage added experimentally contributed independently to the effect on choosiness. Effects of wing damage (natural and added experimentally) were also independent of those of a relative measure of age, which related in an inconsistent way to changes in foraging preferences.
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