(n.) Any bee of the genus Apis, which lives in communities and collects honey, esp. the common domesticated hive bee (Apis mellifica), the Italian bee (A. ligustica), and the Arabiab bee (A. fasciata). The two latter are by many entomologists considered only varieties of the common hive bee. Each swarm of bees consists of a large number of workers (barren females), with, ordinarily, one queen or fertile female, but in the swarming season several young queens, and a number of males or drones, are produced.
Example Sentences:
(1) Foraging honeybees (Apis mellifera) were trained with 2 successively presented targets differing in color or odor, one of which always contained a 5-microliters drop of 50% sucrose solution and the other, a 5-microliters drop of 20% sucrose solution.
(2) We have examined the organization of the repeated and single copy DNA sequences in the genomes of two insects, the honeybee (Apis mellifera) and the housefly (Musca domestica).
(3) Moderate to severe SRs were equally likely after stings of yellow jacket, white-faced hornet, and yellow hornet (65%), honeybee (67%), or wasp (70%), although historical SRs were reported more often after stings of yellow jacket, white-faced hornet, or yellow hornet (30%) than after honeybee (19%) or wasp (14%) stings.
(4) This technique was applied to several sets of figures for the honeybee (Apis mellifera) and a reasonable agreement was found with behavioral data.
(5) Honeybee alpha-glucosidase I was inactivated with diethylpyrocarbonate (DEPC).
(6) We usually only hear scary stories about invaders such as the Asian hornet , a lethal predator of honeybees.
(7) The acid phosphatase activity known to be present in honeybee venom was found in the HMW fraction.
(8) Collectively, these data support an IgE-mediated, seasonal, occupational sensitivity to honeybee-body dust.
(9) The disorder is still not fully understood, but a combination of parasites, viruses, poor nutrition and pesticides are thought to be behind the widespread death of honeybees in the US, where 40% of colonies are still dying each year .
(10) The EFSA report found the risk to honeybees from drifting pesticide dust was high when fipronil was used as a seed treatment for maize, but did not have the data to assess the risk from its use on sunflowers, or the risk via pollen and nectar, or the risk to other bees and pollinators.
(11) The loss of honeybees in many countries in the last decade has caused widespread concern because about three-quarters of the world's food crops require pollination.
(12) The discovery that drones of the Japanese honeybee (Apis cerana japonica) pollinate the oriental orchid (Cymbidium pumilum) is reported.
(13) Two new allergenic specificites were detected in honeybee venom and the two corresponding protein substances isolated by gel filtration, immunoadsorption, and ion exchange chromatography.
(14) If you watch a female honeybee or bumblebee on a flower, you will see she has balls of pollen on her back legs.
(15) They found 155 regions of DNA where the epigenetic patterns between the two varieties of honeybee differed.
(16) Last year's prolonged winter and wet summer devastated Britain's honeybee population .
(17) Old and New World African honeybee populations exhibit different frequencies of a mtDNA length polymorphism.
(18) In this study the Pb concentration in honeybees was determined by graphite furnace AAS after peroral administration of PbCl2.
(19) The UK faces a food security catastrophe because of its very low numbers of honeybee colonies, which provide an essential service in pollinating many crops, scientists warned on Wednesday.
(20) Neither of the research groups investigated precisely how fungicides could harm bees, but one possible mechanism is described in a 2013 study by US department of agriculture researchers, who found that fungicides rendered honeybees more vulnerable to parasites .
Propolis
Definition:
(n.) Same as Bee glue, under Bee.
Example Sentences:
(1) Table I shows the effect of increasing concentrations of propolis in tryptose-agar (TA).
(2) The in vitro activity against herpes simplex virus type 1 of the major flavonoids identified in propolis was investigated.
(3) The presence of 19 elements has been shown in the ethanol extracts of propolis (EEP).
(4) After the burn, the authors immediately applied the albuminous hydrolysate Hydropot, a propolis-urea ointment and Trypsin compresses (3,500 E) to the burned area and its vicinity, and repeated this procedure for several days.
(5) It can also be seen that Gram-negative bacteria grew quite well on media that contained 0.19 mg propolis pr.
(6) Propolis is a natural resinous product collected by honey bees and containing, among other biochemical constituents, a variety of free amino acids.
(7) These pentenyl caffeates proved to be the major sensitizers of propolis and of poplar bud secretion in our previous study.
(8) No antimicrobial activity was detected in urine from three volunteers who had taken 500 mg propolis three times a day for 3 days.
(9) The complexity of propolis, its supposed anti-inflammatory effect due to flavonoids, and the sensitizing agents originating mainly from the poplar trees are discussed together with the cross-sensitization to balsam of Peru.
(10) Staphylococci isolated from pathological material exhibited a reduced sensitivity to ethanol extract of propolis (EEP) in 90% of cases.
(11) Two patients with contact dermatitis due to the natural product propolis (bee glue) are reported.
(12) Biologically active complex of propolis produced a similar effect, however, decreased protein synthesis and a tendency to animals' body mass increment have evidenced a more pronounced antioxidative action as compared to that of vitamin E.
(13) Under experimental conditions parenteral administration of ethanol extract of propolis (EEP) solutions to rabbits induced no synthesis of antibodies as investigated by means of ring precipitation, double diffusion gel precipitation and complement fixation test.
(14) The inhibition of bacterial RNA-polymerases by the components of Propolis was probably due to the loss of their ability to bind to DNA.
(15) Antitumoral effect of ethanolic extract of propolis (EEP) was demonstrated in mature mice-bearing Ehrlich carcinoma.
(16) Pinocembrin (5,7-dihydroxy-flavanon)--a component of the bee product propolis--was tested for its in vivo activity against Candida albicans in mice.
(17) The flavonoid aglycones occurring in poplar bud exudates, and hence also in propolis, are weak sensitizers which play only a minor role in propolis hypersensitivity.
(18) injections of water solutions of ethanol extract of propolis (EEP) over a varying period of time.
(19) An ethanolic propolis extract and some constituents isolated from propolis were tested on the cornea of the rabbit and of the mouse for local anaesthetic activity.
(20) from contaminated samples, the effect of propolis in plating media and broths on various strains of bacteria was examined.