Abstract
Foraging behaviour of two honeybee species Apis dorsata and A. florea was studied in relation to energy production rates of Brassica campestis var toria, Coriandrum sativum, and Foeniculum vulgare. Energy produced ranged from a minimum of 0.0176±0.01 joules per flower per day (C. sativum) to a maximum of 0.4275±0.14 joules per flower per day (B. campestis var toria). A. dorsata preferred B. campestis var toria compared to other two crops. As the A. dorsata could harvest more energy compared to A. florea which mostly relied upon low rewarding C. sativum, and F. vulgare. The foraging population of both the bee species also exhibited the same pattern. Evidently, such preferences seem to be associated with the foraging profitability of the pollinators.
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