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Nutritional content of fresh, bee-collected and stored pollen of Aloe greatheadii var. davyana (Asphodelaceae).
Aloe greatheadii var. davyana is the most important indigenous South African bee plant. Fresh, bee-collected and stored pollen of this aloe was collected and analysed for its nutritional content,… Expand
Standard methods for American foulbrood research
Summary American foulbrood is one of the most devastating diseases of the honey bee. It is caused by the spore-forming, Gram-positive rod-shaped bacterium Paenibacillus larvae. The recent updated… Expand
The importance of protein type and protein to carbohydrate ratio for survival and ovarian activation of caged honeybees (Apis mellifera scutellata)
Pollen is the natural source of protein for bees and it is commonly assumed that a high protein content in pollen is beneficial. Investigation of the optimal nutrient ratio for honeybees was prompted… Expand
Miscellaneous standard methods for Apis mellifera research
Summary A variety of methods are used in honey bee research and differ depending on the level at which the research is conducted. On an individual level, the handling of individual honey bees,… Expand
A survey of managed honey bee colony losses in the Republic of South Africa–2009 to 2011
Summary This study reports honey bee, Apis mellifera L., colony losses that occurred in South Africa over two consecutive years. The total losses were 29.6% (95% CI: 22.8–37.5) in 2009–2010 and 46.2%… Expand
Seasonal prevalence of pathogens and parasites in the savannah honeybee (Apis mellifera scutellata).
- Ursula Strauss, H. Human, L. Gauthier, R. Crewe, V. Dietemann, C. Pirk
- Biology, Medicine
- Journal of invertebrate pathology
- 1 September 2013
The loss of Apis mellifera L. colonies in recent years has, in many regions of the world, been alarmingly high. No single cause has been identified for these losses, but the interactions between… Expand
Chemical composition of the ‘low quality’ pollen of sunflower (Helianthus annuus, Asteraceae)
The nutritional needs of bees are receiving renewed attention in the context of declining bee populations and changes in land use that threaten floral resources. We present a comprehensive analysis… Expand
Honeybee health in Africa—a review
Honeybee (Apis mellifera L.) pathogens and parasites and the negative effects thereof on honeybee populations remain an issue of public concern and the subject of active research. Africa with its… Expand
Appearances can be deceiving: Pollination in two sympatric winter-flowering Aloe species
Aloe marlothii and A. greatheadii var. davyana are two sympatric winter-flowering succulents that occur in the summer rainfall regions of northern and north-eastern South Africa. Both have flower… Expand
Influence of pollen quality on ovarian development in honeybee workers (Apis mellifera scutellata).
- H. Human, S. Nicolson, K. Strauss, C. Pirk, V. Dietemann
- Biology, Medicine
- Journal of insect physiology
- 1 July 2007
Protein-rich diets are known to promote ovarian and egg development in workers of the honeybee, Apis mellifera, even in the presence of a queen. Since the main source of protein for honeybees is… Expand