Control of Varroa destructor mites in capped worker brood cells by using formic acid and thymol in africanized honey bee colonies under tropical conditions. A technical note

by Ramírez, Marianyela, Calderón, Rafael A.
Published 2017

Small hive beetle, Aethina tumida, situation in africanized honey bees (Apis mellifera) colonies in Costa Rica: Sampling of apiaries 2014-2017

by Ramírez, Marianyela, Calderón, Rafael A.
Published 2018

Nosemosis in Africanized Honey Bee Colonies (Apis mellifera) in the Tropical Conditions of Costa Rica: Nosema apis or Nosema ceranae

by Calderón, Rafael A., Sánchez, Luis A.
Published 2021

Diagnóstico de enfermedades en colmenas de abejas africanizadas en Costa Rica: prevalencia y distribución de setiembre a noviembre del 2007

by Calderón, Rafael A., Sánchez, Luis A.
Published 2011

Detección de enfermedades en abejas africanizadas en Costa Rica

by Calderón, Rafael A., Fallas, N., Sánchez, L.
Published 2011

Behaviour of the Varroa destructor mite in worker brood cells of Africanized honey bees (Apis mellifera)

by Calderón, Rafael A., Fallas, Natalia, Ramírez, Marianyela
Published 2017

Preliminary study on the presence of bee diseases in swarms of Africanized honey bees (Apis mellifera) in different areas of Costa Rica

by Calderón, Rafael A., Padilla, Sergio, Ramírez, Marianyela
Published 2019

Comparison of the reproductive ability and mortality of the Varroa destructor mite in worker and drone brood cells in Africanized honey bees of Costa Rica

by Calderón, Rafael A., Ureña, Susana, Sánchez, Luis, Calderón, Rolando
Published 2014

Efectividad del ácido fórmico y el timol en el control del ácaro Varroa destructor en colmenas de abejas africanizadas

by Calderón, Rafael A., Ramírez, Marianyela, Ramírez, Fernando, Villalobos, Ethel
Published 2014

Prevalence of Nosema spp. (Microsporidia: Nosematidae) in Africanized Honeybees in Atenas, Costa Rica: Number of Spores and Infection Level During the Rainy Season

by Moreno, Eduardo, Calderón, Rafael A., Ramírez, Marianyela, Van Veen, Johan
Published 2021