Studies on predation of the mosquito Culex fatigans by Rana tigrina tadpoles
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Abstract
Satiated predation, predation rate and prey preference of different weight groups of Rana tigrina (Daud) tadpoles on different larval and pupal stages of Culex fatigans were studied. Irrespective of the prey and predator size, the satiation time remained more or less equal. There exists a mass-dependent predation: Calculated predation rates or predatory constants (Kpr) showed that I instar prey was preyed upon at about equal rate, while other instars and pupa showed an increasing trend with increasing body weight of the predator. The prey preference assessed using the Kpr, revealed that prey size is an important parameter in predation. The R. tigrina tadpole is a more efficient pupal predator than other mosquito predators.
Keywords
Rana tigrina tadpole Culex fatigans satiation predation rate (Kpr) prey preferencePreview
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