摘要:

SummarySoya-bean flowers possess most, if not all, of the anatomical adaptations characteristic of entomophilous plant species. A description of the flower is presented, based on photomicrographs and scanning electron micrographs. Specifically described and illustrated are: nectar guides, including those differentiated by ultraviolet light; the tongue channel and tongue guides; the ultrastructure of a highly developed nectary. The structure of the flower ensures that most foraging honeybees will contact an exposed sexual column with their ventral or facial hairs, thus effecting the transfer of pollen.

ISSN:0021-8839    

DOI:10.1080/00218839.1979.11099935

出版商:Taylor&Francis    

年代:1979

数据来源: Taylor

摘要:

SummaryWhen queenless colonies were each given a sealed queen cell, they built fewer additional queen cells than queenless control colonies did. However, empty queen cells or open cells with larvae did not depress the production of emergency cells. The experiments indicate that an immature queen in a sealed cell produced a pheromone with inhibitory activity on the initiation of queen rearing. This activity was less than that of an adult queen, but greater than that of synthetic9-oxo-trans-2-decenoic acid.

ISSN:0021-8839    

DOI:10.1080/00218839.1979.11099936

出版商:Taylor&Francis    

年代:1979

数据来源: Taylor

摘要:

SummaryObservations are described on the behaviour of foragers after returning to their nest, on communication dances and other forms of communication, Nasonov gland exposure at the nest and scent marking of a source of forage, temperature regulation, colony defence, attractiveness of a queen and of queen pheromones to surrounding workers, queen cell production and queen introduction, and orientation to a nest site and absconding.

ISSN:0021-8839    

DOI:10.1080/00218839.1979.11099937

出版商:Taylor&Francis    

年代:1979

数据来源: Taylor

摘要:

SummaryA magnetic capture-recapture system was used to determine the distribution of 2377 honeybees, from 10 out of 21 apiaries in the area studied (399 hives); the bees were marked while collecting water at 16 sites. Bees tended to collect water at sources close to their apiary; the mean distance was 88·9 m (±5·3 SE). The maximum distance recorded was 2337 m.

ISSN:0021-8839    

DOI:10.1080/00218839.1979.11099938

出版商:Taylor&Francis    

年代:1979

数据来源: Taylor

摘要:

SummaryThe relative amounts of carbohydrate, lipid and protein were determined in whole bees over the course of their development in the sealed cell. Oxygen uptake, respiratory quotients, and changes in wet and dry weight were determined. Metabolism of sealed larvae, pupae and young pharate adults is based on the utilization of lipid stores, but in older pharate adults it also involves the consumption of some protein. Carbohydrate might be used primarily in the deposition of the adult cuticle prior to emergence.

ISSN:0021-8839    

DOI:10.1080/00218839.1979.11099939

出版商:Taylor&Francis    

年代:1979

数据来源: Taylor

摘要:

SummaryThe utilization of certain carbohydrates byNannotrigona posticawas studied. Bees survived on glucose, fructose, sucrose, maltose, melezitose or sorbitol, but not on arabinose, galactose, sorbose, lactose, raffinose or dulcitol. Xylose and mannitol were suitable only when mixed with sucrose; evidently they were tasteless to the bees but utilizable by them. None of the carbohydrates was toxic at a concentration of 7·5%.

ISSN:0021-8839    

DOI:10.1080/00218839.1979.11099940

出版商:Taylor&Francis    

年代:1979

数据来源: Taylor

摘要:

SummaryA locally produced, acid-hydrolysed commercial invert sugar was fed to F1hybrid Carniolan honey-bees during the period of nectar dearth at El Minia, Egypt; the climate allowed bees to forage and to defecate outside the hive. Comparisons of brood rearing and honey yields during the nectar flow following the dearth, and of prepupal contents of lipid and glycogen, were made with colonies provided with a sucrose syrup or with normal honey stores. Neither brood rearing nor honey production differed significantly among treatments. Prepupal glycogen and lipid contents were somewhat higher in colonies fed on sucrose or invert sugar than in those fed on honey. Invert sugar appeared to be a satisfactory substitute for sucrose under the conditions of the tests.

ISSN:0021-8839    

DOI:10.1080/00218839.1979.11099941

出版商:Taylor&Francis    

年代:1979

数据来源: Taylor

摘要:

SummaryWhey and yeast products were fed to small caged colonies of newly emerged honeybees to determine their effectiveness as pollen substitutes. Bees were able to rear brood to the sealed stage when fed all diets with the exception of whey alone. Brood rearing was greatest on pollen, Wheast or 2: 1 yeast-whey formulations. All yeast-whey formulations, however, were inferior to pollen and Wheast.

ISSN:0021-8839    

DOI:10.1080/00218839.1979.11099942

出版商:Taylor&Francis    

年代:1979

数据来源: Taylor

摘要:

SummaryWhen ripe queen cells (9–10 days after grafting) were placed into queenright colonies, only 15% (0–39%) of the resident queens were replaced by a new queen. New queens reared in the queenless half of a temporarily divided colony replaced 50% of the resident queens when the colonies were re-united. Of the queenless control colonies, 90% were successfully requeened by the queen cell method.

ISSN:0021-8839    

DOI:10.1080/00218839.1979.11099943

出版商:Taylor&Francis    

年代:1979

数据来源: Taylor

摘要:

SummaryHives were moved from indoor winter quarters and placed in rows of 5, in sites sheltered or not sheltered, on bare ground or on snow. Marked bees were used to assess drifting (to hives on either side) and loss (bees not recovered) during the first few days. Significant losses occurred in all treatments during the first day of flight, the rate of loss decreasing in the next few days. The rate of drifting was also highest on the first day. More bees drifted eastward than westward along the rows, which faced south.

ISSN:0021-8839    

DOI:10.1080/00218839.1979.11099944

出版商:Taylor&Francis    

年代:1979

数据来源: Taylor