Abstract <p>The mitochondrial CO1, 12SrRNA and nuclear genes nITS, 18SrRNA of the species <i>Eucyclops</i> (<i>Eucyclops</i>) <i>agiloides</i> <i>roseus</i> have been studied. It has been shown that according to mitochondrial genes, the species splits into 3 clades differing by 10.8–12.7% usually widespread within Eurasia and Africa was also found in North America (California) and Taiwan, when compared with the material from GenBank and Bold. The discovery of the species in these regions is recorded for the first time, which is especially important for North America, where a large number of alien species of aquatic invertebrates has been identified in recent years. The <i>Eucyclops</i> found in North America (California) and Taiwan are close to each other and are as close as possible to the Kazakh populations. The article examines the two most likely reasons for the discovery of a species new to the fauna of America: human settlement or the habitation of historically long-existing populations related to Asian ones, as noted for a number of other invertebrate species.</p>

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Genetic Characteristic of the Afro-Asiatic Species Eucyclops (Eucyclops) Agiloides roseus (Crustacea: Copepoda) in Connection with Its First Findings in North America: Human Mediated Dispersal or Historical Roots

  • N. Sukhikh,
  • O. Chaban,
  • V. Alekseev

摘要

Abstract

The mitochondrial CO1, 12SrRNA and nuclear genes nITS, 18SrRNA of the species Eucyclops (Eucyclops) agiloides roseus have been studied. It has been shown that according to mitochondrial genes, the species splits into 3 clades differing by 10.8–12.7% usually widespread within Eurasia and Africa was also found in North America (California) and Taiwan, when compared with the material from GenBank and Bold. The discovery of the species in these regions is recorded for the first time, which is especially important for North America, where a large number of alien species of aquatic invertebrates has been identified in recent years. The Eucyclops found in North America (California) and Taiwan are close to each other and are as close as possible to the Kazakh populations. The article examines the two most likely reasons for the discovery of a species new to the fauna of America: human settlement or the habitation of historically long-existing populations related to Asian ones, as noted for a number of other invertebrate species.