Effect of Male Mating History and Body Size on Ejaculate Size and Quality in Two Polyandrous Butterflies, Pieris napi and Pieris rapae (Lepidoptera: Pieridae)

1996 ◽  
Vol 10 (4) ◽  
pp. 457 ◽  
Author(s):  
C. J. Bissoondath ◽  
C. Wiklund
Keyword(s):  
Body Size ◽  
Pieris Rapae ◽  
Male Mating ◽  
Pieris Napi ◽  
Mating History ◽  
Ejaculate Size

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

2011 ◽  
Vol 48 (2) ◽  
pp. 202-211 ◽  
Author(s):  
Michelle E. H. Helinski ◽  
Laura C. Harrington
Keyword(s):  
Body Size ◽  
Aedes Aegypti ◽  
Male Mating ◽  
Dengue Vector ◽  
Female Fecundity ◽  
Mating History

Effects of body size of both sexes and female mating history on male mating behaviour and paternity success in a spider

2008 ◽  
Vol 76 (1) ◽  
pp. 75-86 ◽  
Author(s):  
Martin A. Schäfer ◽  
Bernhard Misof ◽  
Gabriele Uhl
Keyword(s):  
Body Size ◽  
Mating Behaviour ◽  
Male Mating ◽  
Female Mating ◽  
Mating History ◽  
Paternity Success

Effects of mating history on ejaculate size, fecundity, longevity, and copulation duration in the ant-tended lycaenid butterfly, Jalmenus evagoras

2000 ◽  
Vol 47 (3) ◽  
pp. 119-128 ◽  
Author(s):  
L. Hughes ◽  
B. Siew-Woon Chang ◽  
D. Wagner ◽  
N. E. Pierce
Keyword(s):  
Copulation Duration ◽  
Mating History ◽  
Ejaculate Size ◽  
Jalmenus Evagoras ◽  
Lycaenid Butterfly

Size does not matter for male Marbled Salamanders (Ambystoma opacum)

2015 ◽  
Vol 93 (10) ◽  
pp. 735-740
Author(s):  
D.A. Croshaw ◽  
J.H.K. Pechmann
Keyword(s):  
Sexual Selection ◽  
Body Size ◽  
Reproductive Success ◽  
Large Male ◽  
Male Mating ◽  
Ambystoma Opacum ◽  
Positive Assortative Mating ◽  
Important Trait ◽  
Breeding Groups ◽  
Gravid Females

Understanding the phenotypic attributes that contribute to variance in mating and reproductive success is crucial in the study of evolution by sexual selection. In many animals, body size is an important trait because larger individuals enjoy greater fitness due to the ability to secure more mates and produce more offspring. Among males, this outcome is largely mediated by greater success in competition with rival males and (or) advantages in attractiveness to females. Here we tested the hypothesis that large male Marbled Salamanders (Ambystoma opacum (Gravenhorst, 1807)) mate with more females and produce more offspring than small males. In experimental breeding groups, we included males chosen specifically to represent a range of sizes. After gravid females mated and nested freely, we collected egg clutches and genotyped all adults and samples of hatchlings with highly variable microsatellite markers to assign paternity. Size had little effect on male mating and reproductive success. Breeding males were not bigger than nonbreeding males, mates of polyandrous females were not smaller than those of monogamous females, and there was no evidence for positive assortative mating by size. Although body size did not matter for male Marbled Salamanders, we documented considerable fitness variation and discuss alternative traits that could be undergoing sexual selection.

Effects of male ejaculate on female reproductive output and longevity in Photinus fireflies

2012 ◽  
Vol 90 (5) ◽  
pp. 677-681 ◽  
Author(s):  
A. South ◽  
S.M. Lewis
Keyword(s):  
Synergistic Effects ◽  
Female Offspring ◽  
Male Mating ◽  
Female Fitness ◽  
Nuptial Gifts ◽  
Mating History ◽  
Offspring Production ◽  
Spermatophore Size ◽  
Reproductive Rates ◽  
Insight Into

In many insects, nuptial gifts in the form of spermatophores have been shown to increase female fecundity and to contribute to female somatic maintenance. Examining how variation in male spermatophore size affects female fitness components can provide insight into the evolution of nuptial gifts, as well as insight into potential conflicts between the sexes. Here we present an experimental study on the firefly Photinus obscurellus LeConte, 1851 in which we altered spermatophore size by manipulating male mating history and examined effects on female offspring production and longevity. Females were randomly allocated to one of two mating treatments in which they mated once with a male producing either a large or a small spermatophore. We found that male spermatophore size had no significant effect on lifetime fecundity or daily reproductive rates of female P. obscurellus, but females that received a larger spermatophore showed a tendency toward longer postmating life spans. These results suggest a direct benefit to females from nuptial gifts and also reveal the potential for synergistic effects on multiple facets of female fitness.

scholarly journals Sexual dimorphism, body size, bite force and male mating success in tuatara

2010 ◽  
Vol 100 (2) ◽  
pp. 287-292 ◽  
Author(s):  
ANTHONY HERREL ◽  
JENNIFER A. MOORE ◽  
EVAN M. BREDEWEG ◽  
NICOLA J. NELSON
Keyword(s):  
Body Size ◽  
Sexual Dimorphism ◽  
Mating Success ◽  
Bite Force ◽  
Male Mating ◽  
Male Mating Success

scholarly journals MALE MATING SUCCESS AND FEMALE PREFERENCE FOR MULTIPLE TRAITS IN THE TWOLINE PUPFISH (CYPRINODON BIFASCIATUS)

Behaviour ◽  
2001 ◽  
Vol 138 (10) ◽  
pp. 1303-1318 ◽  
Author(s):  
Murray Itzkowitz ◽  
Anna Ludlow ◽  
David Baird
Keyword(s):  
Body Size ◽  
Laboratory Experiments ◽  
Female Preference ◽  
Male Reproductive Success ◽  
Male Mating ◽  
Male Body ◽  
Male Mating Success ◽  
Substrate Type ◽  
Sandy Substrate ◽  
Cyprinodon Bifasciatus

AbstractSummary Using the twoline pupfish (Cyprinodon bifasciatus), a species with a resource-based polygynous breeding system, we examined male mating success in the wild, and we experimentally investigated effects of male body size and substrate type on female association patterns in the laboratory. Our purpose was to (a) identify the traits contributing to male reproductive success in the field, (b) measure preferences for each trait independently in the laboratory, and (c) determine the relative importance of each trait. Field observations revealed that substrate type was the main determinant of male reproductive success: males defending territories on rocks mated significantly more often than males defending territories on silt or sand. Laboratory experiments supported the field data, and revealed that the female preference for substrate type was independent of male body size effects. When given a choice between two males matched for size but differing in the type of substrates they were defending, females preferred the male on the rocky substrate over the male on the sandy substrate. Laboratory experiments also revealed a female preference for larger males when substrate type was held constant. Finally, when females were presented with a choice between a large male on a sandy substrate and a small male on a rocky substrate, no clear preference emerged. We provide several interpretations for this result, and we argue that both traits may be strong predictors of the male's competitive ability.

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