Africanized honey bee colonies in Costa Rica: first evidence of its management, brood nest structure and factors associated with varroa mite infestation
Calderón-Fallas, Rafael A., van Veen, Johan W., Olate-Olave, Verónica R., Verde, Mayda, Doorn, Marnix, Vallejos, Leslie, Orozco-Delgado, Juan Vicente
Published in Experimental & applied acarology (01.04.2024)
Published in Experimental & applied acarology (01.04.2024)
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comparison of the reproductive ability of Varroa destructor (Mesostigmata:Varroidae) in worker and drone brood of Africanized honey bees (Apis mellifera)
Calderón, Rafael A, Zamora, Luis G, Van Veen, Johan W, Quesada, Mariela V
Published in Experimental & applied acarology (01.09.2007)
Published in Experimental & applied acarology (01.09.2007)
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Virgin queen execution in the stingless bee Melipona beecheii: The sign stimulus for worker attacks
Jarau, Stefan, Van Veen, Johan W., Aguilar, Ingrid, Ayasse, Manfred
Published in Apidologie (01.07.2009)
Published in Apidologie (01.07.2009)
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Workers Make the Queens in Melipona Bees: Identification of Geraniol as a Caste Determining Compound from Labial Glands of Nurse Bees
Jarau, Stefan, van Veen, Johan W, Twele, Robert, Reichle, Christian, Gonzales, Eduardo Herrera, Aguilar, Ingrid, Francke, Wittko, Ayasse, Manfred
Published in Journal of chemical ecology (01.06.2010)
Published in Journal of chemical ecology (01.06.2010)
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Behavior of varroa mites in worker brood cells of Africanized honey bees
Calderón, Rafael A, Fallas, Natalia, Zamora, Luis G, van Veen, Johan W, Sánchez, Luis A
Published in Experimental & applied acarology (01.12.2009)
Published in Experimental & applied acarology (01.12.2009)
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