Dispersal and evolution of the marine fly in the South America

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To clarify the phylogenic position and origin of the South American species of marine-shore dolichopodid flies, I have conducted surveys of these flies on South America, classified the collected specimens, and analyzed their phylogenetic relationships using morphological data and DNA sequence data.As a result of distribution investigation in the South America, the genus Cymatopus distributed the tropical to subtropical zone, and the Japanese endemic species Conchopus borealis were founded.In addition, the genus peculiar to South America area was not founded.