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Chalcosyrphus parvus (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Chalcosyrphus parvus" in English language version.

refsWebsite
Global rank English rank
1archive.org
6th place
6th place

archive.org

  • Williston, S. W. (1887). "Synopsis of the North American Syrphidae". Bulletin of the United States National Museum. 31: xxx + 335. Retrieved 1 July 2015.