Varroa destructor (Mesostigmata: Varroidae) in Costa Rica: population dynamics and its influence on the colony condition of Africanized honey bees (Hymenoptera: Apidae)

por A. Calderón, Rafael, W. van Veen, Johan
Publicado 2008

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

por Moreno, Eduardo, Calderón, Rafael A., Ramírez, Marianyela, Van Veen, Johan
Publicado 2021