SIRG Publications
  
    [TOP]2012 
    1. Koehler, A., Pirk, C.W.W., Nicolson, S.W. (2012) Honeybees and nectar nicotine: Deterrence and reduced survival versus potential health benefits. Journal of Insect Physiology. 58:286-292
    [TOP]2011 
    1. Human, H., Pirk, C.W.W., Crewe, R.M., Dietemann, V. (2011) The honeybee disease American foulbrood – An African perspective. African Entomology. 19(3):1-2
    2. Dietemann, V., Human, H., Pirk, C.W.W., Crewe, R.M. (2011) Should we be worried about African honeybees? South African Bee Journal. 83(2):78-79
    3. Zheng, H.Q., Hu, F.L., Pirk, C.W.W. (2011) Errors in comb building behaviour in Apis cerana cerana that result in entrapped workers. Insectes Sociaux. 58(3):413-415
    4. Duangphakdee, O., Radloff, S.E., Pirk, C.W.W., Hepburn, H.R. (2011) Waggle Dances and Azimuthal Windows. Psyche. 2011:-
    5. Sole, C.L., Pirk, C.W.W. (2011) Genetic Considerations.  :95-109
    6. Hepburn, H.R., Pirk, C.W.W., Radloff, S.E. (2011) Energetic Aspects of Flight.  :293-313
    7. Pirk, C.W.W., Sole, C.L., Crewe, R.M. (2011) Pheromones.  :207-215
    8. Pirk, C.W.W., Crous, K., Duangphakdee, O., Radloff, S.E., Hepburn, H.R. (2011) Economics of comb wax salvage by the red dwarf honeybee, Apis florea. Journal of Comparative Physiology B. 181:353-359
    [TOP]2010 
    1. Zheng, H.Q., Dietemann, V., Crewe, R.M., Hepburn, H.R., Hu, F.L., Yang, M.X., Pirk, C.W.W. (2010) Pheromonal predisposition to social parasitism in the honeybee Apis mellifera capensis. Behavioural Ecology. 21:1221-1226
    2. Altaye, S.Z., Pirk, C.W.W., Crewe, R.M., Nicolson, S.W. (2010) Convergence of carbohydrate-biased intake targets in caged worker honeybees fed different protein sources. Journal of Experimental Biology. 213:3311-3318
    3. Tan, K., Wang, Z. .W., Li, H., Yang, M. .X., Pirk, C.W.W., Hepburn, H.R., Radloff, S.E. (2010) Responses of Queenright and Queenless Workers of Apis Cerana to 9-keto-2(E)-decenoic Acid, a Pheromonal Constituent of the Mandibular Gland. Journal of Chemical Ecology. 36(9):966-968
    4. Yusuf, A.A., Pirk, C.W.W., Crewe, R.M., Njagi, P.G.N., Gordon, I., Torto, B. (2010) Nestmate Recognition and the Role of Cuticular Hydrocarbons in the African Termite Raiding Ant Pachycondyla analis. Journal of Chemical Ecology. 36(4):441-448
    5. Ellis, M., Nicolson, S., Crewe, R.M., Dietemann, V. (2010) Brood comb as a humidity buffer in honeybee nests. Naturwissenschaften. 97:429-433
    6. Pirk, C.W.W., Boodhoo, C., Human, H., Nicolson, S.W. (2010) The importance of protein type and protein to carbohydrate ratio for survival and ovarian activation of caged honeybees (Apis mellifera scutellata). Apidologie. 41(1):62-72
    7. Phiancharoen, M., Pirk, C.W.W., Radloff, S.E., Hepburn, R. (2010) Clinal nature of the frequencies of ovarioles and spermathecae in Cape worker honeybees, Apis mellifera capensis. Apidologie. 41:129-134
    8. Yang, M.X., Ken, T., Radloff, S.E., Pirk, C.W.W., Hepburn, H.R. (2010) Hetero-specific queen retinue behavior of worker bees in mixed-species colonies of Apis cerana and Apis mellifera. Apidologie. 41(1):54-61
    [TOP]2009 
    1. Jaffé, R., Dietemann, V., Allsopp, M.H., Costa, C., Crewe, R.M., Dall'Olio, R., de le Rúa, P., El-Niwieri, M.A.A., Fries, I., Kezic, N., Meusel, M., Paxton, R.J., Shaibi, T., Stolle, E., Moritz, R.F.A. (2009) Estimating the density of honeybee colonies across their natural range to fill the gap in pollinator decline censuses. Conservation Biology. :-
    2. Jaffé, R., Dietemann, V., Crewe, R.M., Moritz, R.F.A. (2009) Temporal variation in the genetic structure of a drone congregation area: An insight into the population dynamics of wild African honeybees (Apis mellifera scutellata). Molecular Ecology. 18:1511-1522
    3. Zheng, H.Q., Jin, S.H., Hu, F.L., Pirk, C.W.W. (2009) Sustainable multiple queen colonies of honey bees, Apis mellifera ligustica. Journal of Apicultural Research. 48(4):284-289
    4. Zheng, H.Q., Jin, S.H., Hu, F.L., Pirk, C.W.W., Dietemann, V. (2009) Maintenance and application of multiple queen colonies in commercial beekeeping. Journal of Apicultural Research. 48(4):290-295
    5. Tan, K., Yang, M., Radloff, S.E., Pirk, C.W.W., Crewe, R.M., Phiancharoen, M., Hepburn, R., Oldroyd, B. (2009) Worker reproduction in mixed-species colonies of honey bees. Behavioural Ecology. 20:1106-1110
    6. Duangphakdee, O., Radloff, S.E., Pirk, C.W.W., Hepburn, R. (2009) Sun angle time windows for absconding by the dwarf honeybee, Apis florea. Journal of Insect Physiology. 55(11):1009-1012
    7. Dietemann, V., Pirk, C.W.W., Crewe, R.M. (2009) Is there a need for conservation of honeybees in Africa? Apidologie. 40:285-295
    8. Tan, K., Yang, M., Radloff, S.E., Yu, Y., Pirk, C.W.W., Hepburn, H.R. (2009) Intra- and interspecific brood recognition in pure and mixed-species honeybee colonies, Apis cerana and A. mellifera. Apidologie. 40:184-191
    [TOP]2008 
    1. Yusuf, A.A., Webster, L. (2008) Seasonal variation in the physical characteristics of the copepod Calanus finmarchicus (Gunnerus) along the North Atlantic. Journal of Biological Science. Journal of Biological Science. 8(1):95-100
    2. Dietemann, V., Zheng, H.Q., Hepburn, C., Hepburn, H.R., Jin, S.H., Crewe, R.M., Radloff, S.E., Hu, F.L., Pirk, C.W.W. (2008) Self Assessment in Insects: Honeybee Queens Know Their Own Strength. PLoS One. 3(1):1-2
    3. Moritz, R.F.A., Dietemann, V., Crewe, R.M. (2008) Determining colony densities in wild honeybee populations (Apis mellifera) with linked microsatellite DNA markers. Journal of Insect Conservation. 12:455-459
    4. Ellis, M.B., Nicolson, S.W., Crewe, R.M., Dietemann, V. (2008) Hygropreference and brood care in the honeybee (Apis mellifera). Journal of Insect Physiology. 50:1516-1521
    5. Basile, R., Pirk, C.W.W., Tautz, J. (2008) Trophallactic activities in the honeybee brood nest – Heaters get supplied with high performance fuel. Zoology. 111:433-441
    6. Strauss, K., Scharpenberg, H., Crewe, R.M., Glahn, F., Foth, H., Moritz, R.F.A. (2008) The role of the queen mandibular gland pheromone in honeybees (Apis mellifera): honest signal or suppressive agent? Behavioural Ecology and Sociobiology. 62:1523-1531
    7. Moritz, R., Pirk, C., Hepburn, H., Neumann, P. (2008) Short-sighted evolution of virulence in parasitic honeybee workers (Apis mellifera capensis Esch.). Naturwissenschaften. 95:507-513
    8. Dietemann, V., Zheng, H.Q., Hepburn, C., Hepburn, H.R., Jin, S.H., Crewe, R.M., Radloff, S.E., Hu, F.L., Pirk, C.W.W. (2008) Self Assessment in Insects: Honeybee Queens Know Their Own Strength. PloS ONE. 3(1):0-0
    9. Schmid, M.R., Brockmann, A., Pirk, C.W.W., Stanley, D.W., Tautz, J. (2008) Adult honeybees (Apis mellifera L.) abandon hemocytic, but not phenoloxidase-based immunity. Journal of Insect Physiology. 54:439-444
    [TOP]2007 
    1. Yusuf, A.A., Mofio, B.M., Ahmed, A.B. (2007) Proximate and Mineral composition of Tamarindus indica Linn 1753 Seeds. Science World Journal. 2(1):1-4
    2. Yusuf, A.A., Mofio, B.M., Ahmed, A.B. (2007) Nutrient Contents of Pride of Barbados (Caesalpinia pulcherrima Linn.) seeds. Pakistan Journal of Nutrition. 6(2):117-121
    3. Dietemann, V., Neumann, P., Härtel, S., Pirk, C.W.W., Crewe, R.M. (2007) Pheromonal dominance and the selection of a socially parasitic honeybee worker lineage (Apis mellifera capensis Esch.). Journal of Evolutionary Biology. 20(3):997-1007
    4. Human, H., Nicolson, S., Strauss, K., Pirk, C.W.W., Dietemann, V. (2007) Influence of pollen quality on ovarian development in honeybee workers (Apis mellifera scutellata). Journal of Insect Physiology. 53:649-655
    5. Pirk, C.W.W., Neumann, P., Hepburn, H.R. (2007) Nestmate recognition for eggs in the honeybee (Apis mellifera L.). Behavioral Ecology and Sociobiology. 61:1685-1693
    6. Moritz, R.F.A., Dietemann, V., Crewe, R.M. (2007) Determining colony densities in wild honeybee populations (Apis mellifera) with linked microsatellite DNA markers. Journal of Insect Conservation. DOI 10.1007/s10841-0:0-0
    [TOP]2006 
    1. Dietemann, V., Lubbe, A., Crewe, R.M. (2006) Human factors facilitating the spread of a parasitic honeybee in South Africa. Journal of Economical Entomology. 99:7-13
    2. Katzerke, A., Pirk, C.W.W., Neumann, P., Bliss, P., Moritz, R.F.A. (2006) Seasonal nestmate recognition in the ant Formica exsecta. Behavioral Ecology and Sociobiology. 61:143-150
    3. Schäfer, M.O., Dietemann, V., Pirk, C.W.W., Neumann, P., Crewe, R.M., Hepburn, H.R., Tautz, J., Crailsheim, K. (2006) Individual versus social pathway to honeybee worker reproduction (Apis mellifera): pollen or jelly as protein source for oogenesis?. Journal of Comparative Physiology A. 192(7):761-768
    4. Brent, C., Peeters, C., Dietemann, V., Crewe, R.M., Vargo, E. (2006) Hormonal correlates of reproductive status in the queenless ponerine ant, Streblognathus peetersi. Journal of Comparative Physiology A. 92:315-320
    5. Human, A., Nicolson, S., Dietemann, V. (2006) Do honeybees, Apis mellifera scutellata, regulate humidity in their nest? Naturwissenschaften. 93:397-401
    6. Dietemann, V., Pflugfelder, J., Haertel, S., Neumann, P., Crewe, R.M. (2006) Social parasitism by honeybee workers (Apis mellifera capensis Esch.): evidence for pheromonal resistance against host queens. Behavioural Ecology and Sociobiology. 60:785-793
    7. Dietemann, V., Lubbe, A., Crewe, R.M. (2006) Human factors facilitating the spread of a parasitic honeybee in South Africa. Journal of Economic Entomology. 99:7-13
    [TOP]2005 
    1. Dietemann, V., Peeters, C., Hölldobler, B. (2005) Role of the queen in regulating reproduction in the bulldog ant Myrmecia gulosa. Animal Behaviour. 69:777-784
    2. Dietemann, V., Peeters, C., Hölldobler, B. (2005) Changes in cuticular hydrocarbons of future reproductives correlate with the triggering of worker policing in the bulldog ant Myrmecia gulosa. Behavioural Ecology and Sociobiology. 58:486-496
    3. Dietemann, V., Peeters, C., Hoelldobler, B. (2005) Role of the queen in regulating reproduction in the bulldog ant Myrmecia gulosa: control or signalling?. Animal Behaviour . 69:777-784
    4. Dietemann, V., Peeters, C., Hoelldobler, B. (2005) Changes in cuticular hydrocarbons of future reproductives correlate with the triggering of worker policing in the bulldog ant Myrmecia gulosa. Behavioural Ecology and Sociobiology . 58:486-496
    [TOP]2004 
    1. Ramaswamy, K., Peeters, C., Yuvana, S.P., Varghese, T., Pradeep, H.D., Dietemann, V., Karpakakunjaran, V., Cobb, M., Gadagkar, R. (2004) Social mutilation in the Ponerine ant Diacamma: cues originate in the victims. Insectes Sociaux. 51:410-413
    2. Dietemann, V., P, C., Hölldobler, B. (2004) Gamergates in the ant Myrmecia gulosa. Naturwissenschaften. 91:432-435
    3. Ramaswamy, K., P, C., Yuvana, S.P., Varghese, T., Pradeep, H.D., Dietemann, V., Karpakakunjaram, V., Cobb, M., Gadagkar, R. (2004) Social mutilation in the Ponerine ant Diacamma: cues originate in the victims. Insectes Sociaux . 51:410-413
    4. Dietemann, V., Peeters, C., Hoelldobler, B. (2004) Gamergates in the ant Myrmecia gulosa. Naturwissenschaften . 91:432-435
    [TOP]2003 
    1. Dietemann, V., Peeters, C., Liebig, J., Thivet, V., Hölldobler, B. (2003) Cuticular hydrocarbons mediate discrimination of reproductives and nonreproductives in the ant Myrmecia gulosa. Proceedings of the National Academy of Sciences of the USA. 100:10341-10346
    2. Dietemann, V., Peeters, C., Liebig, J., Thivet, V., Hoelldobler, B. (2003) Cuticular hydrocarbons mediate discrimination of reproductives and nonreproductives in the ant Myrmecia gulosa. Proceedings of the National Academy of Sciences USA . 100:10341-10346
    [TOP]2002 
    1. Dietemann, V., Peeters, C., Hölldobler, B. (2002) Caste specialization and differentiation in reproductive potential in the phylogenetically primitive ant Myrmecia gulosa. Insectes Sociaux. 49:289-298
    2. Beekman, M., Good, G., Allsopp, M., Radloff, S.E., Pirk, C.W.W., Ratnieks, F.L.W. (2002) A non-policing honey bee colony (Apis mellifera capensis). Naturwissenschaften. 89(10):479-482
    3. Dietemann, V., Peeters, C., Hoelldobler, B. (2002) Caste specialization and differentiation in reproductive potential in the phylogenetically primitive ant Myrmecia gulosa. Insectes Sociaux . 49:289-298
    [TOP]2001 
    1. Neumann, P., Pirk, C.W.W., Hepburn, R., Elzen, P.J., Baxter, J.R. (2001) Laboratory rearing of small hive beetles Aethina tumida (Coleoptera, Nitidulidae). Journal of Apicultural Research. 40(3-4):111-112
    2. Neumann, P., Pirk, C.W.W., Hepburn, H.R., SolbrigA, A.J., Ratnieks, F.L.W., Elzen, P.J., Baxter, J.R. (2001) Social encapsulation of beetle parasites by Cape honeybee colonies (Apis mellifera capensis Esch.). Naturwissenschaften. 88(5):214-216
    3. Elzen, P.J., Baxter, J.R., Neumann, P., Solbrig, A.J., Pirk, C.W.W., Hepburn, H.R., Westerveld, D., Randall, C. (2001) Behaviour of African and European subspecies of Apis mellifera toward the small hive beetle, Aethina tumida. Journal of Apicultural Research. 40(1):40-41
    4. Pirk, C.W.W., Neumann, P., Moritz, R.F.A., Pamilo, P. (2001) Intranest relatedness and nestmate recognition in the meadow ant Formica pratensis (R.). Behavioural Ecology and Sociobiology. 49(5):366-374
    5. Neumann, P., Pirk, C.W.W., Hepburn, H.R., Radloff, S.E. (2001) A scientific note on the natural merger of two honeybee colonies (Apis mellifera capensis>). Apidologie. 32(1):113-114
    [TOP]2000 
    1. Dietemann, V., Peeters, C. (2000) Queen influence on the shift from trophic to reproductive eggs laid by workers of Pachycondyla apicalis. Insectes Sociaux. 47:223-228
    2. Elzen, P.J., Baxter, J.R., Neumann, P., Solberg, A.J., Pirk, C.W.W., Hoffman, W., Hepburn, H.R. (2000) Observations on the small hive beetle in South Africa. American Bee Journal. 140(4):304-304
    3. Dietemann, V., Peeters, C. (2000) Queen influence on the shift from trophic to reproductive eggs laid by workers of Pachycondyla apicalis. Insectes Sociaux . 47:223-228