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Prevalencia de Nosema spp. (Microsporidia: Nosematidae) en abejas africanizadas en Atenas, Costa Rica: número de esporas y nivel de infección durante la época lluviosa
(Universidad Nacional, Costa Rica, 2021-04-12)
Se estudió la prevalencia del microsporidio Nosema spp. en un apiario de 10 colmenas de abejas africanizadas en Atenas-Alajuela, Costa Rica, durante julio a noviembre 2017. Además, se comparó el número de esporas y el nivel ...
Distribución del Pequeño Escarabajo de la Colmena, Aethina tumida, en abejas africanizadas (Apis mellifera) en diferentes zonas apícolas de Costa Rica
(Universidad Nacional, Costa Rica, 2020-07-01)
El primer reporte sobre la presencia del Pequeño Escarabajo de la Colmena (PEC), Aethina tumida, en Costa Rica, se realizó el 25 de agosto 2015, en La Cruz, Guanacaste; lo cual aumenta el riesgo de dispersión a otras zonas ...
Nest-specific composition of the trail pheromone of the stingless bee Trigona corvina within populations
(Springer, 2012)
Social insects have evolved highly developed communication systems, enabling them to coordinate complex interactions in their colonies. Pheromones play a major role in the coordination of many tasks. In Trigona corvina, a ...
Learnt information in species-specific ‘trail pheromone’ communication in stingless bees
(Elsevier, 2013)
Specificity in biological signalling systems is often important to keep information private. Foragers of
several species of stingless bees deposit chemical marking signals to guide nestmates to food sources.
The markings ...
Comparación de la habilidad reproductiva y mortalidad del ácaro Varroa destructor en celdas con cría de obrera y zángano en abejas africanizadas de Costa Rica
(Universidad Nacional, Costa Rica, 2014-10-31)
Se estudió la reproducción del ácaro Varroa destructor en celdas con cría de obrera
y zángano. Además se evaluó la mortalidad de la progenie de V. destructor, especialmente la
muerte o ausencia del macho. El estudio se ...
An unusual recruitment strategy in a mass-recruiting stingless bee, Partamona orizabaensis
(Springer-Verlag Berlin Heidelberg, 2016-07-13)
Foragers of several stingless bee species deposit attractive scent marks on solid substrates to precisely recruit nestmates to food. Interestingly, Partamona workers quickly recruit large numbers of nest mates to resources, ...
Physicochemical differentiation of stingless bee honeys from Costa Rica
(Taylor and Francis Group, 2021-04-06)
We characterized Tetragonisca angustula and Melipona beecheii honeys produced in Costa Rica according to their physical and chemical properties. Moreover, we found critical parameters that distinguish the honeys from each ...
Floral biology, pollination ecology and seed production of the ornamental plant Salvia splendens Sello
(Universidad Nacional, Costa Rica., 2002)
In this paper, the floral biology and pollination ecology of Salvia splendens are described. All flower characteristics (red corolla, large tubular flowers with abundant but dilute nectar) indicate that S. splendens is ...
Efficacy of Piper (Piperaceae) extracts for control of common home and garden insect pests
(Entomological Society of America, 2004)
Extracts from three species of the plant family Piperaceae, Piper nigrum [L.], Piper guineense [Schum & Thonn], and Piper tuberculatum [Jacq.], were tested for efficacy against insects from five orders. All three species ...
The antimicrobial activity and microbiological safety of stingless bee honeys from Costa Rica
(International Bee Research AssociationTaylor and Francis, 2014)
Stingless bee honeys from Costa Rica possess etnopharmacological value mainly as a wound dressing. The microbiological study by APHA methods reported that 83 % of the honeys analysed had microbial counts that comply with ...