'Golden Delicious' winter squash (GDWS), Cucurbita maxima Duchesne, provides significant amounts of pollen (24 mg) and nectar (236 μl), but with a low reward of 14% nectar sugar. The quantity of nectar produced per GDWS flower differed between sites and floral sex. The GDWS male flowers had 25% higher sugar...
Workers in colonies of European honey bees Apis mellifera L. clean their
nestmate's body by allogrooming behavior. This behavior may be initiated by
either grooming dancers or by the allogroomers themselves. The first occurs
less frequently (ca. 17 %) than the later (83 %). By using the inner edge of...
The early stages of secondary succession of the
McDonald and Paul Dunn State Forests, Corvallis, Oregon,
were grouped into three stages; herb, herb-shrub, and
shrub, based on vegetation types. Flowers of herbaceous
species and residual shrubs dominated in the early years
after clear-cutting. Woody plants became increasing
abundant in the...
Aspects concerning the bionomics of the parasitic honey bee brood mite, Varroa
jacobsoni Oudemans were investigated. Mite mortality is great during the winter season
when the host colony is not rearing brood, appearing to be independent of the mortality of
its host. In winter period, no significant association between the...
Male Apis mellifera L. (drones) accompanying reproductive swarms were analyzed for honey stomach contents to determine if they engorge honey prior to or during swarming. No evidence for engorgement was found. A diurnal feeding rhythm in drones was observed in non swarming colonies.
The mating flight behavior of drone honey bees from swarm clusters is compared to drone mating flight behavior from colony situations. Duration of flight from swarms and colony situations is similar. Swarm drones appear to take as many flights/day but spend less time between flights than colony drones.
A quantification of the number of adult worker Apis meltifera L. found on
combs of standard sizes at full holding capacity is reported. Estimating the holding capacity
of combs can assist in evaluating honey-bee colonies for pollination capabilities and also for
honey-production potentials
An examination of a commercial honey-bee apiary for the Acarcapis species complex revealed the following: queens were essentially free from Acarapis parasitism: colonies were more frequently
infested with A. dorsaiis and A. woodi than A. externus: individual worker-bee hosts were
rarely parasitized by more than one Acarapis species. Observed sex...