Assessment of the diversity of insect pollinators of common vegetable crops in selected farms of Nueva Ecija [Philippines]
2001
Alberto, A.M.P. | Castro, E.P. | Perez, H.S. (Central Luzon State Univ., Munoz, Nueva Ecija (Philippines))
A study on the diversity of insect pollinators of common vegetable crops in selected farms of Nueva Ecija was conducted to survey and assess the diversity of insect pollinators and to observe the foraging behavior of pollinators. Fourteen species of insect pollinators were identified and classified under five orders, thirteen families and fourteen genera. Among these pollinators, Phormia regina M. recorded the highest value in density, dominance, frequency and importance value followed by Terias hecabe L. Mostly, pollinators randomly visited the flowers and some stayed on the flower for a few minutes and some for a few seconds. They visited and stayed for a long time on the flower which was not yet pollinated because they contain more nectar and pollen that serve as good sources of food for pollinators. Based on the study conducted, it was observed that insect pollinators are not diverse anymore because only few species of pollinators were present in the different selected farms of Nueva Ecija which could be due to the use of insecticides and other pesticides that could harm the pollinators
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