Phylogeography of the Rice Spittle Bug (Callitettix versicolor) Implies Two Long-Term Mountain Barriers in South China

Han Yang, Chung-Ping Lin, Ai Ping Liang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

South China is a region of remarkable topographic complexity. However, the impact of climate fluctuations in the Pleistocene on the local fauna and especially insects has not been extensively studied. We integrated mitochondrial DNA (mtDNA) and microsatellite data of the rice spittle bug, Callitettix versicolor, to determine the genetic structure, potential biogeographic barriers, and historical demography of this species. The mtDNA data revealed two distinct lineages (Western and Eastern) congruent with the geographically separated western and eastern sub-regions of the Hengduan Mountains. The Eastern lineage was subdivided into two sub-lineages, E1 and E2, congruent with the geographically separated northern and southern sub-regions of the Dabie Mountains. E2 was further subdivided into two sub-groups, E2-1 and E2-2, with a hybrid zone (Guizhou and Hunan Provinces) in which their areas were contiguous. The genetic structures constructed using mtDNA were corroborated by four clusters (G1-G4) of microsatellite data. The populations of each cluster were nearly consistent with a sub-lineage of the mtDNA gene tree (G1-G4 corresponded to the Western, E1, E2-2 and E2-1 lineages, respectively). The divergence time estimated between the Western and Eastern lineages was 1.17 (0.50-2.37) to 0.89 (0.39-1.78) Mya, indicating that the lineages diversified on both geographic and temporal scales. The historical demography of the Eastern lineage showed continuous population growth after the Last Interglacial (LIG) and a stable population during the Last Glacial Maximum (LGM) period. However, the Western lineage remained largely unchanged during the LIG and LGM periods. This suggests that the historical demography of C. versicolor is probably related not only to the paleoclimate of South China, but also to the geological restriction and specific habitat preferences of species.

Original languageEnglish
Pages (from-to)592-602
Number of pages11
JournalZoological Science
Volume33
Issue number6
DOIs
Publication statusPublished - 2016 Dec 1

Fingerprint

Phylogeography
phylogeography
Mitochondrial DNA
China
mitochondrial DNA
demography
mountains
rice
Genetic Structures
Demography
Microsatellite Repeats
Mya
microsatellite repeats
Mitochondrial Genes
Population Growth
Population Dynamics
habitat preferences
Climate
Ecosystem
Insects

Keywords

  • Callitettix versicolor
  • ecological niche modeling
  • historical demography
  • phylogenetic tree
  • phylogeography

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Phylogeography of the Rice Spittle Bug (Callitettix versicolor) Implies Two Long-Term Mountain Barriers in South China. / Yang, Han; Lin, Chung-Ping; Liang, Ai Ping.

In: Zoological Science, Vol. 33, No. 6, 01.12.2016, p. 592-602.

Research output: Contribution to journalArticle

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