Male mating success female butterflies sperm

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The mating success of male butterflies is often lower if they are inbred. But how do female butterflies know which males to avoid? New research reveals that inbred male butterflies produce.

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Nov 09, · In the butterfly Bicyclus anynana it has been recently shown that males being successful in gaining a mating compared with unsuccessful males were characterized by higher MSP titres [20, 21, 43]. Male B. anynana have three MSPs (ZOH (MSP1), Cited by: 4.

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This transformation takes place in the butterfly's pupal stage, when the butterfly is inside its chrysalis. Finally, an adult butterfly emerges from the chrysalis. While the larval butterfly was built for eating, the adult is built for mating. Butterflies reproduce the way other animals do -- sperm from a male fertilizes eggs from a misina-rescue.info: Tracy V. Wilson.


Results. Against this background, we tested in the butterfly Bicyclus anynana (1) whether young males being successful or unsuccessful in gaining a mating differed in sex pheromone titres and (2) for associations between male pheromone titres and spermatophore mass, eupyrene sperm number, and a variety of female and offspring life-history traits.. Successful and unsuccessful males did not Cited by: 4. Male butterflies in sperm war. Female green-veined white butterflies (Pieris napi) are polyandrous, they mate with many males. After each mating event, up to 90% of her eggs may still be unfertilised three days later, giving her options about which males might sire .
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Costing reproduction: effects of mating opportunity on mating success in male Bicyclus anynana butterfliesCited by:

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Behavioral Ecology Behav Ecol Sociobiol () and Sociobiology 9 Springer-Verlag Effects of spermatophores on male and female monarch butterfly reproductive success Karen S. Oberhauser University of Minnesota, Department of Ecology and Behavioral Biology, J09 Zoology, Minneapolis, MN , USA Received February 14, / Accepted May 9, Summary. I present the results of experiments designed to measure the effects of spermatophores produced by male monarch butterflies on male and female reproductive success. There was wide variation in the number of matings by captive males, suggesting the potential for strong sexual selection on misina-rescue.info by:

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Male weight was unrelated to longevity and mating success, whereas longevity strongly influenced male mating success, indicating lifespan is an important male fitness trait in this species. In butterflies, male reproductive success is highly related to the quality and the size of the spermatophore transferred to the female. The spermatophore is a capsule produced by the male during copulation, which in many species contains sperm in addition to a nuptial gift, and which is digested by the female after misina-rescue.info by: 3.

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When it comes to mating and determining whose sperm reaches the elusive egg, females control both the playing field and the rules of the game, according to a new study on male sperm competition vs. Jan 30, · Sperm precedence was influenced by male PGI genotype and an interaction between female number (first or subsequent) and genotype, but not by hand pairing, male mating history treatment, male or female wing length, male pair identity, or Cited by: 9.
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