Abstract
This study compares consumption and surplus killing aspects of feeding strategies of five Toxorhynchites species as fourth instars. Body movements are similar during attack and disposal of prey. An attack resulting in consumption is usually associated with an S-shaped posture of the predator during ingestiun. An attack resulting in abandonment of the prey is usually accompanied by a wiping of the mandibles across the aciculae. The predator species differ in intensity and temporal patterns of consumption and surplus killing. Species within a subgenus are the most similar in feeding and developmental characteristics. These characteristics can be used to predict characteristics of the original habitat. Three strategies of surplus killing are distinguished by various combinations of age at onset and intensity. Regardless of pattern of surplus killing, it never begins before most predator species achieve the minimal weight required for pupation.
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