Accelerated Diversification by Spatial and Temporal Isolation Associated with Life-History Evolution in Insects

Sota, Teiji; Kagata, Hideki; Ando, Yoshino; Utsumi, Shunsuke; Osono, Takashi

doi:10.1007/978-4-431-54261-2_3

Cited by 3 publications

(2 citation statements)

References 48 publications

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“…Whatever the evolutionary forces that led to the multiple loss of flight, the reduced dispersal capacities have promoted speciation, as in other insects (Ikeda et al 2012;Vogler and Timmermans 2012;Sota et al 2014). The overall diversity in Barbitistini with almost 300 species is an impressive example of rapid speciation (Lehmann 1998) within a restricted temporal (Ullrich et al 2010;Chobanov et al 2017) and spatial frame (Heller 1984;Willemse and Heller 1992).…”

Section: Discussionmentioning

confidence: 99%

Multiple origin of flightlessness in Phaneropterinae bushcrickets and redefinition of the tribus Odonturini (Orthoptera: Tettigonioidea: Phaneropteridae)

Grzywacz

Lehmann²,

Chobanov

et al. 2018

Org Divers Evol

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The possession of wings and ability to fly are a unifying character of higher insects, but secondary loss of wings is widespread. Within the bushcrickets, the subfamily Phaneropterinae (Orthoptera: Tettigonioidea) comprises more than 2000 predominantly long-winged species in the tropics. However, the roughly 300 European representatives are mainly short-winged. The systematics of these radiations have been unclear, leading to their unreliable formal treatment, which has hindered analysis of the evolutionary patterns of flight loss. A molecular phylogeny is presented for 42 short-winged species and members of all European long-winged genera based on the combined data from three nuclear gene sequences (18S, H3, ITS2). We found four phylogenetic lineages: (i) the first included the short-wing species of the genus Odontura; (ii) a further branch is represented by the South-American short-winged Cohnia andeana; (iii) an assemblage of long-wing taxa with a deep branching pattern includes the members of the tribes Acrometopini, Ducetiini, Phaneropterini, and Tylopsidini; (iv) a large group contained all short-winged taxa of the tribe Barbitistini. Phaneropterinae flightlessness originated twice in the Western Palaearctic, with a number of mainly allo-and parapatrically distributed species of the Barbistini in Southeastern Europe, and the Middle East and a limited number of Odontura species in Northern Africa and Southwestern Europe. Both short-winged lineages are well separated, which makes it necessary to restrict the tribe Odonturini to the West-Palaearctic genus Odontura. Other flightless genera previously included in the Odonturini are placed as incertae sedis until their phylogenetic position can be established.

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Section: Discussionmentioning

confidence: 99%

Multiple origin of flightlessness in Phaneropterinae bushcrickets and redefinition of the tribus Odonturini (Orthoptera: Tettigonioidea: Phaneropteridae)

Grzywacz

Lehmann²,

Chobanov

et al. 2018

Org Divers Evol

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“…Most examples concern plant populations that differ in flowering times (cited in Lowry, Modliszewski, Wright, Wu, & Willis, 2008) and allochronically spawning populations of fish and corals (e.g., Barson, Haugen, Vøllestad, & Primmer, 2009;Limborg, Waples, Seeb, & Seeb, 2014;Villanueva, 2016). In insects, periodic cicadas constitute a famous case (Marshall & Cooley, 2000), while Sota, Kagata, Ando, Utsumi, and Osono (2014) report incipient speciation in early and late winter populations of winter moths. Freshwater insects with synchronized adult emergence and a short adult life stage, particularly Ephemeroptera and Plecoptera, are expected to be good systems to study diversification by temporal isolation, but so far studies have been few and inconclusive (Dijkstra, Monaghan, & Pauls, 2014).…”

Section: Introductionmentioning

confidence: 99%

Ecological speciation by temporal isolation in a population of the stonefly Leuctra hippopus (Plecoptera, Leuctridae)

Boumans

Hogner

Brittain

et al. 2017

Ecology and Evolution

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Stream dwelling invertebrates are ideal candidates for the study of ecological speciation as they are often adapted to particular environmental conditions within a stream and inhabit only certain reaches of a drainage basin, separated by unsuitable habitat. We studied an atypical population of the stonefly Leuctra hippopus at a site in central Norway, the Isterfoss rapids, in relation to three nearby and two remote conspecific populations. Adults of this population emerge about a month earlier than those of nearby populations, live on large boulders emerging from the rapids, and are short‐lived. This population also has distinct morphological features and was studied earlier during the period 1975–1990. We reassessed morphological distinctness with new measurements and added several analyses of genetic distinctness based on mitochondrial and nuclear sequence markers, as well as AFLP fingerprinting and SNPs mined from RAD sequences. The Isterfoss population is shown to be most closely related to its geographical neighbors, yet clearly morphologically and genetically distinct and homogeneous. We conclude that this population is in the process of sympatric speciation, with temporal isolation being the most important direct barrier to gene flow. The shift in reproductive season results from the particular temperature and water level regime in the Isterfoss rapids. The distinct adult body shape and loss of flight are hypothesized to be an adaptation to the unusual habitat. Ecological diversification on small spatial and temporal scales is one of the likely causes of the high diversity of aquatic insects.

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Differential elevational cline in the phenology and demography of two temporally isolated populations of a damselfly: Not two but one taxon?

Amari

Zebsa

Lazli

et al. 2018

Ecological Entomology

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1. Temporal isolation by cohort splitting is a life‐history mechanism that has been reported in many temperate insects, including those inhabiting freshwater habitats. Although the cohorts seem to maintain separate temporal niches in a specific location, the temporal isolation may be disrupted across a geographic gradient due to constraints imposed by seasonality.2. This prediction was tested on two temporally isolated populations of the obligatory univoltine Lestes virens (Odonata, Lestidae) in north‐east Algeria. Although the two cohorts emerge at the same time in spring, one cohort reproduces in summer, while the second cohort estivates in summer and reproduces in autumn. A survey assessing the phenology and abundance was conducted on eight ponds across an elevational gradient (5–1012 m asl) using capture–mark–recapture and adult density sampling.3. In all sites from low to high elevation, the species showed cohort splitting. The phenology of reproduction of both cohorts showed a delay with elevation, but the cline was 2.2 days for the summer cohort and 0.7 days for the autumn cohort per 100 m of elevation. Moreover, the density of adults in the autumn cohort was higher than that of summer cohort across the entire elevational range, and the difference increased with elevation.4. These findings regarding the differential elevational cline in the phenology show that the temporal isolation of the two cohorts becomes narrower at high elevation, suggesting potential inter‐cohort temporal overlap at higher elevations.5. The claim that the two cohorts of L. virens are true temporally isolated species needs further investigation.

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Accelerated Diversification by Spatial and Temporal Isolation Associated with Life-History Evolution in Insects

Cited by 3 publications

References 48 publications

Multiple origin of flightlessness in Phaneropterinae bushcrickets and redefinition of the tribus Odonturini (Orthoptera: Tettigonioidea: Phaneropteridae)

Multiple origin of flightlessness in Phaneropterinae bushcrickets and redefinition of the tribus Odonturini (Orthoptera: Tettigonioidea: Phaneropteridae)

Ecological speciation by temporal isolation in a population of the stonefly Leuctra hippopus (Plecoptera, Leuctridae)

Differential elevational cline in the phenology and demography of two temporally isolated populations of a damselfly: Not two but one taxon?

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