Effects of Domestic and Spanish Frozen Honeybee Pollens on the Colony Development of Large Earth Bumblebee, Bombus terrestris, in Korea
2018
Choi, K., Kyungpook National University, Daegu, Republic of Korea | Lee, S.J., Institute of Industrial Entomology, Yecheon, Republic of Korea | Suh, S.J., Kyungpook National University, Daegu, Republic of Korea | Kwon, Y.J., Kyungpook National University, Daegu, Republic of Korea
Effects of feeding frozen honeybee pollen products originated domestically from Korea and imported from Spain on the colony development of earth bumblebee, Bombus terrestris L., were compared to evaluate the nutritional efficacies of the these pollen resources for commercial bombiculture in Korea. The oviposition rate of the queen was observed to be 80.0% and 78.9% when fed on the Spanish and the domestic, Krean pollen, respectively. The colony foundation rate was 76.7% for the Spanish pollen and 70.0% for the domestic pollen It is noteworthy that the queens fed on Spanish pollen produced higher number of either workers or drones, while those fed on the domestic pollen produced higher number of virgin queens. In this comparison of nutritional value of two different product origin of pollens, we suggest the Spanish pollen can be a better feeding resource for bumblebees not only because it produces higher colony foundation rate and worker population, but also due to its lower price in market supply available currently (less than 57%).
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