Effects of Age on Female Reproductive Success inDrosophila bipectinata | Zendy

K Somashekar | Zendy; M.Sai Krishna | Zendy; SN Hegde | Zendy; S. C. Jayaramu | Zendy

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Effects of Age on Female Reproductive Success inDrosophila bipectinata

Author(s) -

K Somashekar,

M.Sai Krishna,

SN Hegde,

S. C. Jayaramu

Publication year - 2011

Publication title -

journal of insect science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.551

H-Index - 49

ISSN - 1536-2442

DOI - 10.1673/031.011.13201

Subject(s) - biology , fecundity , ovariole , courtship , mating , fertility , zoology , drosophila (subgenus) , reproductive success , demography , genetics , population , embryo , gene , sociology , oocyte

Female age influence on mating success, courtship activities, mating latency, copulation duration, fecundity, ovarioles number, and wing length has been studied using isofemale lines of Drosophila bipectinata collected at three different localities. It was observed that in all localities, middle-aged D. bipectinata females had significantly greater mating success, showed less rejection responses to courting male, mated faster, copulated longer, and had greater fecundity and ovariole number than young and old-aged females. Further, old-aged females had comparatively less fitness traits than young age females. This research suggests the occurrence of age specific female reproductive success as follows: middle-aged > young > old-aged.

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