Molecular phylogeny of reed beetles (Col., Chrysomelidae, Donaciinae): The signature of ecological specialization and geographical isolation

Kölsch, Gregor; Pedersen, Bo Vest

doi:10.1016/j.ympev.2008.05.035

Cited by 38 publications

(41 citation statements)

References 105 publications

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“…They are sister species that diverged between five and 15 million years ago (Ko¨lsch and Pedersen 2008). Their ecological differentiation with respect to host plant use, specifically the key species Myriophyllum, could be demonstrated here.…”

mentioning

confidence: 67%

“…They puncture the aerenchyme of the plant with two hollow abdominal hooks that are directly connected to their tracheal system. Macroplea occurs in Eurasia with some overlap in species distribution (Borowiec 1984;Ko¨lsch, Bistro¨m and Pedersen 2006;Ko¨lsch and Pedersen 2008). To the current knowledge, Macroplea mutica (Fabricius, 1792) is most widely distributed.…”

Section: Aquatic Insectsmentioning

confidence: 99%

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The aquatic leaf beetle speciesMacroplea muticaandM. appendiculata(Coleoptera, Chrysomelidae, Donaciinae) differ in their use ofMyriophyllum spicatumas a host plant

Kölsch¹,

Kubiak²

2011

Aquatic Insects

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The aquatic leaf beetle species Macroplea mutica and M. appendiculata (Coleoptera, Chrysomelidae, Donaciinae) differ in their use of Myriophyllum spicatum as a host plant As a contribution to the continuing discussion of the ecological differentiation and stable coexistence of species, we investigated the extent to which the two sister species, Macroplea mutica and M. appendiculata, use the host plants Myriophyllum spicatum and Potamogeton sp. Specimens from four populations differing in host plant experience were used for behavioural observations. Both species did not feed on Myriophyllum but on Potamogeton. Beetles kept on Myriophyllum or without plant lost weight, while those on Potamogeton maintained or increased their weight. Only M. appendiculata laid eggs on this plant, as well as on Potamogeton, where M. mutica exclusively oviposited. In choice experiments, all larvae preferred the roots of Potamogeton over Myriophyllum for attachment (also the M. mutica larvae that had been collected from Myriophyllum). The data are discussed in the light of the unusual occasional occurrence of M. mutica on Myriophyllum and the speciation in the genus Macroplea.

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mentioning

confidence: 67%

Section: Aquatic Insectsmentioning

confidence: 99%

The aquatic leaf beetle speciesMacroplea muticaandM. appendiculata(Coleoptera, Chrysomelidae, Donaciinae) differ in their use ofMyriophyllum spicatumas a host plant

Kölsch¹,

Kubiak²

2011

Aquatic Insects

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“…Groups of phytophagous insects with large Holarctic distributions offer good models for comparing the effects of host shifts and geographic events on their diversification [62]. We can investigate whether their phylogenetic history reflects host conservatism followed by range expansion and diversification with their host or geographic clustering of closely related species and opportunistic shifts to new unrelated hosts.…”

Section: Discussionmentioning

confidence: 99%

Is ecological speciation a major trend in aphids? Insights from a molecular phylogeny of the conifer-feeding genus Cinara

et al. 2013

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IntroductionIn the past decade ecological speciation has been recognized as having an important role in the diversification of plant-feeding insects. Aphids 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. The generality of such a scenario remains to be tested through macroevolutionary studies. To explore the prevalence of host-driven speciation in the diversification of the aphid genus Cinara and to investigate alternative modes of speciation, we reconstructed a phylogeny of this genus based on mitochondrial, nuclear and Buchnera aphidicola DNA sequence fragments and applied a DNA-based method of species delimitation. Using a recent software (PhyloType), we explored evolutionary transitions in host-plant genera, feeding sites and geographic distributions in the diversification of Cinara and investigated how transitions in these characters have accompanied speciation events.ResultsThe diversification of Cinara has been constrained by host fidelity to conifer genera sometimes followed by sequential colonization onto different host species and by feeding-site specialisation. Nevertheless, our analyses suggest that, at the most, only half of the speciation events were accompanied by ecological niche shifts. The 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. Furthermore, 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.ConclusionsThe history of Cinara offers a different perspective on the mode of speciation of aphids than that provided by classic models such as the pea aphid. In 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.

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“…Genetics of Crioceris leaf-beetles is understudied. Except for studies using single species in phylogenetic analyses on Phytophaga [18] based on nuclear rDNA and the phylogeny of Chrysomelidae based on Elongation Factor 1-α (EF1-α) [19] or rDNA [20] little research has been completed in this area. Furthermore, four Crioceris species (C. asparagi, C. duodecimpunctata, C. macilenta, C. paracenthesis) were studied cytologically and it was discovered that all four species possessed 2n=16 chromosomes, which is probably the ancestral state for this genus [22].…”

Section: Introductionmentioning

confidence: 99%

Molecular barcoding for central-eastern European Crioceris leaf-beetles (Coleoptera: Chrysomelidae)

et al. 2011

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Among Crioceris leaf-beetles, the two most widespread species (Crioceris asparagi and C. duodecimpunctata) are serious invasive plant pests, while another two (C. quatuordecimpunctata and C. quinquepunctata) are rare species restricted to steppe-like habitats in Eurasia. The aim of the research was to check the genetic distinctiveness of these four species and develop barcodes for their molecular identification using the mitochondrial Cytochrome Oxidase I (COI) gene and two nuclear markers: Elongation Factor 1-α (EF1-α) and Internal Transcribed Spacer 1 (ITS1). The identification of each species was possible and reliable with the use of COI and ITS1 markers. EF1-α was omitted in analyses due to its high level of heterozygosity (presence of multiple PCR products). C. duodecimpunctata and C. quatuordecimpunctata were shown to be sister taxa, but the similar genetic distances between all of the species indicate that these species originated almost simultaneously from a common ancestor. Identification of two separate clades in populations of C. quatuordecimpunctata suggested that the clades are isolated and can be considered as separate conservation units.

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Molecular phylogeny of reed beetles (Col., Chrysomelidae, Donaciinae): The signature of ecological specialization and geographical isolation

Cited by 38 publications

References 105 publications

The aquatic leaf beetle speciesMacroplea muticaandM. appendiculata(Coleoptera, Chrysomelidae, Donaciinae) differ in their use ofMyriophyllum spicatumas a host plant

The aquatic leaf beetle speciesMacroplea muticaandM. appendiculata(Coleoptera, Chrysomelidae, Donaciinae) differ in their use ofMyriophyllum spicatumas a host plant

Is ecological speciation a major trend in aphids? Insights from a molecular phylogeny of the conifer-feeding genus Cinara

Molecular barcoding for central-eastern European Crioceris leaf-beetles (Coleoptera: Chrysomelidae)

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