Journal of Cave and Karst Studies - ISSN 1090-6924
Volume 65 Number 1: 36-42 April 2003

A publication of the National Speleological Society

Arrhopalites (Collembola: Arrhopalitidae) in U.S. caves with the description of seven new species
Douglas Zeppelini and Kenneth Christiansen


Seven new species of Arrhopalites (Collembola: Arrhopalitidae) are described and illustrated. Two species are from Illinois: A. sapo and A. madonnensis, two from Virginia: A. sextus and A. obtusus, two from Colorado: A. incertus and A. hubbardi, and one from Idaho: A. arca. The known distribution of cave species of Arrhopalites in North America is discussed and both collection efficiency and regional differences are shown to play a role in the number of species known.

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