NDLI: Male Mating History and Body Size Influence Female Fecundity and Longevity of the Dengue Vector Aedes aegypti

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Male Mating History and Body Size Influence Female Fecundity and Longevity of the Dengue Vector Aedes aegypti

Content Provider	PubMed Central
Author	Helinski, Michelle E. H. Harrington, Laura C.
Abstract	Male reproductive success is dependent on insemination success and reproductive output. During mating, male mosquitoes transfer not just sperm, but also seminal fluid proteins that may have profound effects on mated female biology and behavior. In this study, we investigated the role of male body size and mating history on semen depletion, female longevity and reproductive success in Aedes aegypti L. Small and large males were mated in rapid succession with up to five females. Our results indicate that large males had greater mating capacity than small males. A reduction in fecundity by more than 50% was observed in females that were fourth to mate with small males in comparison to females that mated earlier in sequence. For females mated to large males, this reduction became evident for females that mated fifth in sequence. No loss of fertility (measured as hatch rate) was observed in females that were 3rd-5th in mating sequence compared to females mated to virgin males. When females were maintained on a low-quality (5% sucrose) diet, those mated to virgin males had a greater longevity compared to females mated third in sequence. We conclude that small males experience more rapid seminal depletion than large males, and discuss the role of semen depletion in the mated female. Our results contribute towards a better understanding of the complexity of Ae. aegypti mating biology and provide refined estimates of mating capacity for genetic control efforts.
Starting Page	202
File Format	PDF
ISSN	00222585
Journal	Journal of medical entomology
Issue Number	2
Volume Number	48
Language	English
Publisher Date	2011-03-01
Access Restriction	Open
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Infectious Diseases Veterinary Parasitology Insect Science

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