Sexual selection and the evolution of preferential mating in ladybirds I. Selection for high and low lines of female preference

O'Donald, Peter; Majerus, Michael E. N.

doi:10.1038/hdy.1985.124

Cited by 24 publications

(9 citation statements)

References 27 publications

(23 reference statements)

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“…By selecting females that had mated with melanic males, 'high preference' lines were produced with greatly increased frequencies of matings with melanic males. Two selection experiments carried out in 1981-1982 and 1984-1985 gave similar results: the females' propensity to choose melanic males was highly heritable and increased rapidly over a few generations (Majerus eta!., 1982b;O'Donald &Majerus, 1985).…”

Section: Introductionsupporting

confidence: 49%

Non-random mating in Adalia bipunctata (the two-spot ladybird). III. New evidence of genetic preference

O'Donald

Majerus

1992

Heredity

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Isofemale lines of ladybirds produced from a selected stock varied widely in female preference for melanic males. An attempt to repeat these results failed. The ladybirds used in the repeat experiment were collected from a wild population in which melanic frequencies had dropped from 35 to 10 per cent in 3 years. In this repeat experiment, the overall mating rate was twice that of the original experiment. The failure of the repeat experiment can be attributed either to a loss of preference or to the preference not being expressed at high mating rates. New lines were set up from a sample collected in Glasgow where high levels of preferential mating occur in the wild population. Mating tests on these lines strongly corroborated the results of the original isofemale line experiment: some lines showed high preference, others intermediate or no preference. The overall mating rate was low -one-quarter of that in the unsuccessful repeat experiment. Samples collected from areas high in melanics showed high preference. Lower levels of preference were found where melanics are less common. Where no melanics occur, preference is absent. These results provide further evidence of genetic preference in ladybirds.

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Section: Introductionsupporting

confidence: 49%

Non-random mating in Adalia bipunctata (the two-spot ladybird). III. New evidence of genetic preference

O'Donald

Majerus

1992

Heredity

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“…The degree of melanization may depend in part on tyrosine availability, which could denote male quality. In this context, it is interesting that two other studies, on skuas (O'Donald et aI., I974) and coccinellid beetles (Majerus et al, 1982;O'Donald and Majerus, 1985), also found female preferences for increased male melanization. In P. occidentalis, female choice may be related to species recognition.…”

Section: Discussionmentioning

confidence: 99%

FEMALE CHOICE AND SEXUAL SELECTION OF MALE WING MELANIN PATTERN INPIERIS OCCIDENTALIS(LEPIDOPTERA)

Wiernasz

1989

Evolution

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Abstract. -Using field experiments, I examined the role of 13 melanin-pattern elements in mate choice by female Pieris occidentalis butterflies, Males that mated successfully differed significantly from unsuccessful males in the extent of marginal forewing melanization but not on the basis of the entire forewing pattern, Deletion of the marginal forewing melanin characters significantly reduced the mating success of manipulated males relative to controls under field conditions, Female choice in P, occidentalis may act to maximize divergence of male color pattern from that of its close relative Pieris protodice. Sexual selection for increased melanization of the marginal dorsal forewing is generated by the strong preference of females for males with such wings and may be constrained by correlations between forewing melanin characters that have different functional roles.

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“…The experimental support for female choice being inherited is more limited. Only in the two-spot ladybird beetle, Adalia bipunctata, does direct evidence exist for a polymorphism with a genetic basis (Majerus et a!., 1982(Majerus et a!., , 1986O'Donald and Majerus, 1985;Majerus, 1986), although convincing indirect evidence has been obtained in Drosophila melanogaster (Heisler, 1984) and the Trinidad guppy, Poecilia reticulata (Breden and Stoner, 1987). We report here an association in seaweed flies between mating success, female choice and the possession of a particular allele at an enzyme-determining locus.…”

mentioning

confidence: 87%

Genetic differences in mating success and female choice in seaweed flies (Coelopa frigida)

1989

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Sexual selection and the evolution of preferential mating in ladybirds I. Selection for high and low lines of female preference

Cited by 24 publications

References 27 publications

Non-random mating in Adalia bipunctata (the two-spot ladybird). III. New evidence of genetic preference

Non-random mating in Adalia bipunctata (the two-spot ladybird). III. New evidence of genetic preference

FEMALE CHOICE AND SEXUAL SELECTION OF MALE WING MELANIN PATTERN INPIERIS OCCIDENTALIS(LEPIDOPTERA)

Genetic differences in mating success and female choice in seaweed flies (Coelopa frigida)

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