10.5061/DRYAD.QK12C
Powell, Thomas H. Q.
Notre Dame University
University of Notre Dame
Forbes, Andrew A.
Notre Dame University
University of Notre Dame
Hood, Glen R.
Notre Dame University
University of Notre Dame
Feder, Jeffrey L.
Notre Dame University
University of Notre Dame
Data from: Ecological adaptation and reproductive isolation in sympatry:
genetic and phenotypic evidence for native host races of Rhagoletis
pomonella
Dryad
dataset
2013
hawthorn
ecological divergence
eclosion time
Crataeugus opaca
speciation-with-gene-flow
Crataegus viridis
allochronic isolation
Crataegus mollis
Crataegus brachyacantha
Cornus florida
Rhagoletis pomonella
2013-12-18T21:06:17Z
2013-12-18T21:06:17Z
en
https://doi.org/10.1111/mec.12635
150032 bytes
1
CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
Ecological speciation-with-gene-flow may be an important mode of
diversification for phytophagous insects. The recent shift of Rhagoletis
pomonella from its native host downy hawthorn (Crataegus mollis) to
introduced apple (Malus domestica) in the northeastern United States is a
classic example of sympatric host race formation. Here, we test whether R.
pomonella has similarly formed host races on four native Crataegus species
in the southern United States: western mayhaw (C. opaca), blueberry
hawthorn (C. brachyacantha), southern red hawthorn (C. mollis var.
texana), and green hawthorn (C. viridis). These four southern hosts differ
from each other in their fruiting phenology and in the volatile compounds
emitted from the surface of their fruits. These two traits form the basis
of ecological reproductive isolation between downy hawthorn and apple
flies in the North. We report evidence from microsatellite population
surveys and eclosion studies supporting the existence of genetically
differentiated and partially reproductively isolated host races of
southern hawthorn flies. The results provide an example of host shifting
and ecological divergence involving native plants and imply that
speciation-with-gene-flow may be commonly initiated in Rhagoletis when
ecological opportunity presents itself.
Table S5 - microsatellite allele frequenciesMicrosatellite allele
frequencies for the 26 loci analyzed in study for 16 field sites,
including 6 green hawthorn, 4 western mayhaw, 3 blueberry hawthorn, and 3
southern red hawthorn populations. See Table 1 of text for site
descriptions. Allele numbers represent the size (in base pairs) of the PCR
amplified DNA fragment (including the repeat sequence) generated using
locus specific primers for each microsatellite, as determined by capillary
electrophoresis on a Beckman-Coulter
CEQ8000.Powell_etal_TableS5_for_DRYAD.xlsxmtDNA sequence alignmentClustal
alignment of mtDNA sequences used in Figure 3. See Table S1 for accession
numbers.Powell_etal_mtDNA_alignment.txtEclosion dataTable of laboratory
eclosion data depicted in Figure 6.Powell_etal_eclosion_data.xlsx
Mississippi
Texas
Louisiana