@article{fdi:010061190,
  title = {{I}s ecological speciation a major trend in aphids ? {I}nsights from a molecular phylogeny of the conifer-feeding genus {C}inara},
  author = {{J}ousselin, {E}. and {C}ruaud, {A}. and {G}enson, {G}. and {C}hevenet, {F}ran{\c{c}}ois and {F}oottit, {R}. {G}. and {C}oeur d'{A}cier, {A}.},
  editor = {},
  language = {{ENG}},
  abstract = {{I}ntroduction: {I}n the past decade ecological speciation has been recognized as having an important role in the diversification of plant-feeding insects. {A}phids are host-specialised phytophagous insects that mate on their host plants and, as such, they are prone to experience reproductive isolation linked with host plant association that could ultimately lead to species formation. {T}he generality of such a scenario remains to be tested through macroevolutionary studies. {T}o explore the prevalence of host-driven speciation in the diversification of the aphid genus {C}inara and to investigate alternative modes of speciation, we reconstructed a phylogeny of this genus based on mitochondrial, nuclear and {B}uchnera aphidicola {DNA} sequence fragments and applied a {DNA}-based method of species delimitation. {U}sing a recent software ({P}hylo{T}ype), we explored evolutionary transitions in host-plant genera, feeding sites and geographic distributions in the diversification of {C}inara and investigated how transitions in these characters have accompanied speciation events. {R}esults: {T}he diversification of {C}inara has been constrained by host fidelity to conifer genera sometimes followed by sequential colonization onto different host species and by feeding-site specialisation. {N}evertheless, our analyses suggest that, at the most, only half of the speciation events were accompanied by ecological niche shifts. {T}he contribution of geographical isolation in the speciation process is clearly apparent in the occurrence of species from two continents in the same clades in relatively terminal positions in our phylogeny. {F}urthermore, in agreement with predictions from scenarios in which geographic isolation accounts for speciation events, geographic overlap between species increased significantly with time elapsed since their separation. {C}onclusions: {T}he history of {C}inara offers a different perspective on the mode of speciation of aphids than that provided by classic models such as the pea aphid. {I}n this genus of aphids, the role of climate and landscape history has probably been as important as host-plant specialisation in having shaped present-day diversity.},
  keywords = {{E}cological speciation ; {N}iche shifts ; {H}ost shift ; {H}ost race ; {G}eographic isolation ; {P}hytophagous insect ; {S}pecies delimitation ; {C}ladogenesis ; {DNA} ; phylogeny},
  booktitle = {},
  journal = {{F}rontiers in {Z}oology},
  volume = {10},
  numero = {},
  pages = {},
  ISSN = {1742-9994},
  year = {2013},
  DOI = {10.1186/1742-9994-10-56},
  URL = {https://www.documentation.ird.fr/hor/fdi:010061190},
}