Courtship inDrosophila sechellia: Its structure, functional aspects, and relationship to those of other members of theDrosophila melanogaster species subgroup

Cobb, Matthew; Burnet, Barrie; Blizard, Robert; Jallon, Jean‐Marc

doi:10.1007/bf01053619

Cited by 74 publications

(59 citation statements)

References 20 publications

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“…Of these, mating in four strains of D. sechellia, three strains of D. simulans, and D. mauritiana was light dependent, as had been described by others (Manning, 1959;Robertson, 1983;Cobb et al, 1989;Cobb and Ferveur, 1996). We also confirmed the previous observation that mating in D. melanogaster is light independent (Spieth and Hsu, 1950;Manning, 1959;Robertson, 1983).…”

Section: Discussionsupporting

confidence: 80%

“…Figure 1 shows that D. melanogaster attained a high mating fre-quency in the dark as well as in light, as reported by others (Spieth and Hsu, 1950;Manning, 1959;Grossfield, 1966 Manning (1959), Robertson (1983), Cobb et al (1989) and Cobb and Ferveur (1996). This is the first report that D. yakuba, D. teissieri, and D. erecta showed lower mating frequency in the dark than in light.…”

Section: Resultssupporting

confidence: 65%

“…Mating of the fruitfly, Drosophila, consists of the sequential elements of characteristic behavior and has been studied by many workers in D. melanogaster and its sibling species (e.g., Bastock and Manning, 1955;Cobb et al, 1985;Welbergen et al, 1987;Cobb et al, 1989). Like many insects a female sex pheromone, which is a main cuticular hydrocarbon, elicits male courtship in these species (Jallon, 1984;Cobb and Jallon, 1990).…”

Section: Introductionmentioning

confidence: 99%

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Contribution by males to intraspecific variation of the light dependency of mating in the Drosophila melanogaster species subgroup.

et al. 1997

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Seven species of the Drosophila melanogaster species subgroup were compared for mating success under different light conditions (light or dark). All species except D. melanogaster showed a significantly lower frequency of mating success in the dark than in light in a one-hour mating experiment. Among the six light-dependent species, D. sechellia showed the lowest frequency in the dark and D. simulans showed the highest in the dark. They were chosen for further intraspecific comparisons using four strains respectively. A substantial difference in the mating frequency in the dark was again found among the four strains in both D. sechellia and D. simulans, respectively. In these two species reciprocal mating experiments were then performed between the two strains showing the highest and the lowest frequency in the dark. In both species males from the strains with a low mating frequency also showed low scores with the females from the strain that showed a high score. It is therefore shown that males predominantly contribute to the low frequency of mating success in the dark while females appear to make a negligible contribution to the light dependency of mating. The male flies in both D. sechellia and D. simulans showing high mating frequency did not always show a high locomotor level under light or in the dark. We conclude that the decrease of the mating frequency in the dark is caused by the light-dependent mechanism of male-specific sexual behavior rather than by a mechanism associated with general activity.

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Section: Discussionsupporting

confidence: 80%

Section: Resultssupporting

confidence: 65%

Section: Introductionmentioning

confidence: 99%

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Contribution by males to intraspecific variation of the light dependency of mating in the Drosophila melanogaster species subgroup.

et al. 1997

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“…Similar questions concerning courtship behaviour in related species have been explored using principal components analysis on transition matrices (Cobb et a!., 1989). In the study reported here alternative approaches were employed to detect and compare behavioural structures (Weir, 1988).…”

Section: Introductionmentioning

confidence: 99%

Disruption of the structure of larval foraging behaviour in interspecific hybrids in Drosophila

et al. 1994

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Larval foraging behaviour in two sibling species, Drosophila pavani and I)rosophila gaucha belonging to the mesophragmatica species group, is described. Interspecific hybrid larvae derived from both reciprocal crosses of the parent species show disruption in the organization of their behaviour, leading to lower mean feeding rates. This, together with interactions involving biotic residues, described elsewhere, is likely under competitive conditions to contribute to reduced fitness of the hybrids relative to the parent species.

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“…In tapping the female, the male detects her CHs. Drosophila species are either monomorphic, with both males and females having the same CH composition (e.g., D. simulans and D. mauritiana, Jallon and David 1987), or dimorphic with differing profiles (e.g., D. melanogaster and D. sechellia, Cobb et al 1989). CH profiles affect interspecific mating asymmetrically: males of monomorphic species will not court females of dimorphic species, whereas males of dimorphic species will court females of monomorphic species (Cobb and Jallon 1990).…”

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confidence: 99%

Quantitative Trait Loci for Cuticular Hydrocarbons Associated With Sexual Isolation Between Drosophila simulans and D. sechellia

et al. 2005

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The identification of genes with large effects on sexual isolation and speciation is an important link between classic evolutionary genetics and molecular biology. Few genes that affect sexual isolation and speciation have been identified, perhaps because many traits influencing sexual isolation are complex behaviors. Cuticular hydrocarbons (CHs) of species of the Drosophila melanogaster group play a large role in sexual isolation by functioning as contact pheromones influencing mate recognition. Some of the genes that play key roles in determining species-specific CHs have been identified. We have performed separate quantitative trait locus (QTL) analyses of 7-tricosene (7-T) and 7,11-heptacosadiene (7,11-HD), the two major female CHs differing between D. simulans and D. sechellia. We find that 40% of the phenotypic variance in each CH is associated with two to four chromosomal regions. A region on the right arm of chromosome 3 contains QTL that affect both traits, but other QTL are in distinct chromosomal regions. Epistatic interactions were detected between two pairs of QTL for 7,11-HD such that if either were homozygous for the D. simulans allele, the fly was similar to D. simulans in phenotype, with a low level of 7,11-HD. We discuss the location of these regions with regard to candidate genes for CH production, including those for desaturases.

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Courtship inDrosophila sechellia: Its structure, functional aspects, and relationship to those of other members of theDrosophila melanogaster species subgroup

Cited by 74 publications

References 20 publications

Contribution by males to intraspecific variation of the light dependency of mating in the Drosophila melanogaster species subgroup.

Contribution by males to intraspecific variation of the light dependency of mating in the Drosophila melanogaster species subgroup.

Disruption of the structure of larval foraging behaviour in interspecific hybrids in Drosophila

Quantitative Trait Loci for Cuticular Hydrocarbons Associated With Sexual Isolation Between Drosophila simulans and D. sechellia

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