Abstract
Data on life-table phenomena such as survivorship and fertility schedules, net reproductive rate and oviposition behavior were obtained for Toxorhynchites brevipalpis females. The material for laboratory experiments originated from pupal collections from discarded automobile tires at an automobile dump in a Dar es Salaam (Tanzania) suburb. The survivorship schedule showed that maximum survival of Tx. brevipalpis females was 140 days. Close to 50% of the females survived for 84 days. The survivorship curve for females dying accidentally had the shape of a negative exponential decay. For females dying naturally the curve was negatively skewed, resembling the curves for K strategists. Female fertility changed during the reproductive period from 20 eggs per wk to 4 eggs per wk. The average female fecundity was 233 eggs and the maximum fecundity was 364 eggs. At any time during the reproductive period, more than 50% of the females were laying eggs. The post reproductive period was 4.3 ± 1.6 days.
Published Version
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