All Stories

  1. Continuous and discrete dynamical systems for the declines of honeybee colonies

    Article • Mathematical Methods in the Applied Sciences, June 2018, Wiley

    Abdullahi Yusuf

  2. Reproductive parasitism by worker honey bees suppressed by queens through regulation of worker mandibular secretions

    Article • Scientific Reports, May 2018, Springer Science + Business Media

    Abdullahi Yusuf, Prof Christian CWW Pirk

  3. Turning workers into false queens– the role of exogenous pheromones in regulating reproduction in worker honey bees

    Article • Journal of Experimental Biology, May 2018, The Company of Biologists

    Abdullahi Yusuf, Prof Christian CWW Pirk

  4. Hygienic and grooming behaviors in African and European honeybees—New damage categories in Varroa destructor

    Article • PLoS ONE, June 2017, PLOS

    Prof Christian CWW Pirk, Abdullahi Yusuf

  5. Effect of Brood Pheromone on Survival and Nutrient Intake of African Honey Bees (Apis mellifera scutellata) under Controlled Conditions

    Article • Journal of Chemical Ecology, April 2017, Springer Science + Business Media

    Abdullahi Yusuf, Prof Christian CWW Pirk

  6. Honeybee health in Africa—a review

    Article • Apidologie, November 2015, Springer Science + Business Media

    Abdullahi Yusuf

  7. Effects of age and Reproductive Status on Tergal Gland Secretions in Queenless Honey bee Workers, Apis mellifera scutellata and A. m. capensis

    Article • Journal of Chemical Ecology, September 2015, Springer Science + Business Media

    Prof Christian CWW Pirk, Abdullahi Yusuf

  8. Mandibular gland pheromone contents in workers and queens of Apis mellifera adansonii

    Article • Apidologie, January 2015, Springer Science + Business Media

    Prof Christian CWW Pirk, Abdullahi Yusuf

  9. The Only African Wild Tobacco, Nicotiana africana: Alkaloid Content and the Effect of Herbivory

    Article • PLoS ONE, July 2014, PLOS

    Abdullahi Yusuf

  10. Olfactory Detection of Prey by the Termite-Raiding AntPachycondyla analis

    Article • Journal of Insect Science, April 2014, Oxford University Press (OUP)

    Abdullahi Yusuf, Prof Christian CWW Pirk

  11. Olfactory detection of prey by the termite-raiding ant Pachycondyla analis

    Article • Journal of Insect Science, January 2014, Oxford University Press (OUP)

    Prof Christian CWW Pirk, Abdullahi Yusuf

  12. Prey choice and raiding behaviour of the Ponerine antPachycondyla analis(Hymenoptera: Formicidae)

    Article • Journal of Natural History, May 2013, Taylor & Francis

    Prof Christian CWW Pirk, Abdullahi Yusuf

  13. An Effective Method for Maintaining the African Termite-Raiding AntPachycondyla analisin the Laboratory

    Article • African Entomology, March 2013, Entomological Society of Southern Africa

    Prof Christian CWW Pirk, Abdullahi Yusuf

  14. Erratum to: Nestmate Recognition and the Role of Cuticular Hydrocarbons in the African Termite Raiding Ant Pachycondyla analis

    Article • Journal of Chemical Ecology, May 2010, Springer Science + Business Media

    Prof Christian CWW Pirk, Abdullahi Yusuf

  15. Nestmate Recognition and the Role of Cuticular Hydrocarbons in the African Termite Raiding Ant Pachycondyla analis

    Article • Journal of Chemical Ecology, March 2010, Springer Science + Business Media

    Abdullahi Yusuf, Prof Christian CWW Pirk

  16. Proximate and mineral composition of Tamarindus indica linn 1753 seeds

    Article • Science World Journal, February 2010, African Journals Online (AJOL)

    Abdullahi Yusuf

  17. Development of an Analytical Method for the Determination of Storage Lipids in Calanus finmarchicus

    Article • Journal of Analytical & Bioanalytical Techniques, January 2010, OMICS Publishing Group

    Abdullahi Yusuf

  18. Lipid Composition of the Copepod Calanus finmarchicus (Gunnerus) from the Irminger Sea in the North Atlantic Ocean Changes with Season and Life Cycle Stages

    Article • Asian Journal of Scientific Research, April 2008, Science Alert

    Abdullahi Yusuf

  19. Spatial demography of Calanus finmarchicus in the Irminger Sea

    Article • Progress In Oceanography, January 2008, Elsevier

    Abdullahi Yusuf

  20. Development and application of an analytical method for the determination of storage lipids, fatty acids and fatty alcohols inCalanus finmarchicus

    Article • Journal of Separation Science, June 2006, Wiley

    Abdullahi Yusuf