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Browsing by UP Author "Strauss, Ursula"
Now showing items 1-7 of 7
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Crewe, Robin M.; Strauss, Ursula; Human, Hannelie; Pirk, Christian Walter Werner; Crewe, Robin M. (Entomological Society of Southern Africa, 2010)No abstract available.
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Pirk, Christian Walter Werner; Strauss, Ursula; Yusuf, Abdullahi Ahmed; Demares, Fabien J.; Human, Hannelie (Springer, 2016-05)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 high genetic diversity ...
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Strauss, Ursula; Pirk, Christian Walter Werner; Crewe, Robin M.; Human, Hannelie; Dietemann, Vincent (Springer, 2015-01)The devastating effects of Varroa destructor on European honeybee colonies (Apis mellifera L.) have been well documented. Not only do these mites cause physical damage to parasitised individuals when they feed on them, ...
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Strauss, Ursula; Pirk, Christian Walter Werner; Dietemann, Vincent; Crewe, Robin M.; Human, Hannelie (Taylor and Francis, 2014)The honey bee (Apis mellifera L.) colony hosts a diversity of pathogens, parasites and pests. The introduced ectoparasite, Varroa destructor Anderson & Trueman (Acari: Varroidae), is regarded as one of the most serious ...
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Human, Hannelie; Brodschneider, Robert; Dively, Galen; Ellis, James D.; Forsgren, Eva; Fries, Ingemar; Hatjina, Fani; Hu, Fu-Liang; Jaffe, Rodolfo; Jensen, Annette Bruun; Kohler, Angela; Magyar, Josef P.; Ozkyrym, Asli; Pirk, Christian Walter Werner; Rose, Robyn; Strauss, Ursula; Tanner, Gina; Tarpy, David R.; Van der Steen, Jozef J.M.; Vaudo, Anthony; Vejsnæs, Fleming; Wilde, Jerzy; Williams, Geoffrey R.; Zheng, Huo-Qing (International Bee Research Association, 2013-05-09)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, including the queen, larvae and pupae ...
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Strauss, Ursula; Dietemann, Vincent; Human, Hannelie; Crewe, Robin M.; Pirk, Christian Walter Werner (Cambridge University Press, 2016-03)Varroa destructor is considered the most damaging parasite affecting honeybees (Apis mellifera L.). However, some honeybee populations such as the savannah honeybee (Apis mellifera scutellata) can survive mite infestation ...
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Seasonal prevalence of pathogens and parasites in the savannah honeybee (Apis mellifera scutellata) Strauss, Ursula; Human, Hannelie; Gauthier, Laurent; Crewe, Robin M.; Dietemann, Vincent; Pirk, Christian Walter Werner (Elsevier, 2013-09)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 several factors (mostly ...
Now showing items 1-7 of 7