The evolutionary history of Drosophila buzzatii. XIV. Larger flies mate more often in nature

Santos, Mauro; Ruíz, Alfredo; Barbadilla, Antonio; Quezada-Díaz, J E; Hasson, Esteban; Fontdevila, Antonio

doi:10.1038/hdy.1988.113

Cited by 106 publications

(92 citation statements)

References 78 publications

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“…In D. buzzatii, Santos et al, (1988) and Ruiz & Santos (1989) have found that body size is positively correlated with mating success in a Spanish natural population. These studies have also shown that different karyotypes differ in their mean value for thorax length (Ruiz & Santos, 1989).…”

Section: Introductionmentioning

confidence: 99%

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The evolutionary history of Drosophila buzzatii. XXIV. Second chromosome inversions have different average effects on thorax length

et al. 1992

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We demonstrate a genetic correlation between rearrangements of the second chromosome of D. buzzatii and thorax length, as a measure of body size. The results indicate that 2j and 2jz3 arrangements are correlated with large size, whereas 2st arrangement is correlated with small size. Some inversions (2st and 2jz3) show dominant effects and others (2j/f3) exhibit overdominance. These results show that at least 25 per cent of body size variation may be accounted for by the studied karyotypes. The possible integration of the genotypic, phenotypic and fitness levels, and also the possible implications to life-history evolution theories, are discussed. These results suggest that, under moderate to high heritability values, some kinds of chromosomal endocyclic and/or balancing selection may be valuable mechanisms for maintenance of body size variation.

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Section: Introductionmentioning

confidence: 99%

“…Several studies have shown that thorax length, as a measure of body size is correlated with adult fitness components, e.g. fecundity (Robertson 1957a, b), mating success (Butlin eta!., 1982;Taylor eta!., 1987;Partridge et aL, 1987;Santos et a!., 1988;Taylor & Kekié, 1988), and longevity (Partridge eta!., 1987).…”

Section: Introductionmentioning

confidence: 99%

The evolutionary history of Drosophila buzzatii. XXIV. Second chromosome inversions have different average effects on thorax length

et al. 1992

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“…In D. montana, small males showed a reproductive advantage in nature (Aspi & Hoikkala 1992). Finally, there is evidence of stabilizing sexual selection on male size for D. simulans (Markow & Ricker 1992), D. pseudoobscura (Markow and Ricker 1992), D. melanogaster (Markow & Sawka 1991), D. mojavensis (Markow & Ricker 1992), D. buzzatii (Santos et al 1988;Ruiz et al 1991) and D. silvestris (Boake 1989).…”

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confidence: 99%

“…As more species are studied, the number of examples where the two are uncorrelated is increasing (Table I). Larger male size has been reported to be associated with mating success in D. melanogaster (Partridge et al 1987;Markow 1987Markow , 1988Pitnick 1991), D. nigrospiracula (Markow 1988), D. hydei (Markow 1985;Pitnick & Markow 1994), D. buzzatii (Santos et al 1988), D. testacea (James & Jaenike 1992), D. simulans and D. mojavensis (Markow & Ricker 1992). In contrast with these reports, mating male D. pseudoobscura from a two-year field study were no larger than single males (Markow & Ricker 1992), but larger size was associated with male success in certain samples of another field study (Partridge et al 1987).…”

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confidence: 99%

Sexual selection and a secondary sexual character in two species

1996

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Abstract. Evidence of sexual selection on male body size and on the number and symmetry of sternopleural bristles and of sex comb teeth was sought in natural populations of two Drosophila species. Body size did not differ between mating and non-mating males in either species. Mating male D. simulans had significantly fewer sex comb teeth than did males not found copulating, and mating male D. pseudoobscura had more sternopleural bristles. No difference in fluctuating asymmetry of any bilateral trait was found between mating and non-mating males. These observations suggest that generalizations that large body size and symmetry promote mating success are unfounded.

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“…The cross-sectional method consists of collecting individuals at different stages (young or adult) or status (breeding or nonbreeding; mating or nonniating) and comparing their frequency distributions for a number of characters. Recent examples using this method to detect premating sexual selection may be found in the fruit fly Drosophila buzzatii (Santos et al, 1988), the water strider Gerris odontogaster (Arnqvist, 1992) and the marine snail Littorina saxatilis (Johannesson et al, 1995).…”

Section: Introductionmentioning

confidence: 99%

Somatic condition determines female mating frequency in a field population of the grasshopper Eyprepocnemis plorans

Martín-Alganza¹,

López-León

Cabrero

et al. 1997

Heredity

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Mating pairs and nonmating individuals of the grasshopper Eyprepocnemis plorans were collected in a natural population during the 1992 season, in order to determine whether sexual preferences of males and females are correlated with various morphological and physiological characters. These included condition based on body size and somatic and gonadal weight. A comparison of frequency distributions for these characters between the two types of individuals showed that mating frequency (the probability of being sampled while mating) was independent of the characters measured in males but was highly significantly dependent on somatic condition in females. Mating females showed a better somatic condition (defined as the residuals of the regression of somatic weight on body size) than nonmating ones. The implications of this finding in shaping the polygynandrous mating system of this species are discussed.

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The evolutionary history of Drosophila buzzatii. XIV. Larger flies mate more often in nature

Cited by 106 publications

References 78 publications

The evolutionary history of Drosophila buzzatii. XXIV. Second chromosome inversions have different average effects on thorax length

The evolutionary history of Drosophila buzzatii. XXIV. Second chromosome inversions have different average effects on thorax length

Sexual selection and a secondary sexual character in two species

Somatic condition determines female mating frequency in a field population of the grasshopper Eyprepocnemis plorans

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