A Field Test of Differential Host-plant Usage between Two Sibling Species of Rhagoletis Pomonella Fruit Flies (diptera: Tephritidae) and Its Consequences for Sympatric Models of Speciation.
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چکیده
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منابع مشابه
Are the apple maggot, Rhagoletis pomonella, and blueberry maggot, R. mendax, distinct species ? Implications for sympatric speciation
Rhagoletis pomonella (Walsh) and R. mendax (Curran) (Diptera : Tephritidae) are major economic pests of apple and blueberry fruits, respectively, in eastern North America. The taxonomic status of these flies as distinct species has been in dispute because of their close morphological similarity, broadly overlapping geographic distributions and inter-fertility in laboratory crosses. Starch gel e...
متن کاملPostzygotic isolating factor in sympatric speciation in Rhagoletis flies: reduced response of hybrids to parental host-fruit odors.
Rhagoletis pomonella is a model for sympatric speciation (divergence without geographic isolation) by means of host-plant shifts. Many Rhagoletis species are known to use fruit odor as a key olfactory cue to distinguish among their respective host plants. Because Rhagoletis rendezvous on or near the unabscised fruit of their hosts to mate, behavioral preferences for fruit odor translate directl...
متن کاملSequential sympatric speciation across trophic levels.
A major cause for biodiversity may be biodiversity itself. As new species form, they may create new niches for others to exploit, potentially catalyzing a chain reaction of speciation events across trophic levels. We tested for such sequential radiation in the Rhagoletis pomonella (Diptera: Tephritidae) complex, a model for sympatric speciation via host plant shifting. We report that the parasi...
متن کاملThe population genetics of the apple maggot fly, Rhagoletis pomonella and the snowberry maggot, R. zephyria: implications for models of sympatric speciation
True fruit flies belonging to the Rhagoletis pomonella (Diptera:Tephritidae) sibling species complex possess several attributes consistent with a history of sympatric divergence via host plant shifts. Here, we investigate whether hybridization and genetic introgression is occurring between two members of the group, Rhagoletis pomonella (Walsh), whose primary hosts are domestic apples (Malus pum...
متن کاملIsolation and characterization of microsatellite loci from the apple maggot fly Rhagoletis pomonella (Diptera: Tephritidae)
We report the isolation and development of 81 novel primers for amplifying microsatellite loci in the Rhagoletis pomonella sibling species complex, and the sequencing, characterization and analysis of basic population genetic parameters for nine of these genes. We also report the successful cross-species amplification of several of these loci. The R. pomonella sibling species complex is a textb...
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ورودعنوان ژورنال:
- Evolution; international journal of organic evolution
دوره 43 8 شماره
صفحات -
تاریخ انتشار 1989