Review of Agrenia Börner, 1906 with descriptions of four new species from North America (Collembola, Isotomidae)

@article{Fjellberg2009ReviewOA,
  title={Review of Agrenia B{\"o}rner, 1906 with descriptions of four new species from North America (Collembola, Isotomidae)},
  author={A. Fjellberg and E. C. Bernard},
  journal={Zootaxa},
  year={2009},
  volume={2306},
  pages={17-28}
}
The eight known species of Agrenia are reviewed and new distributional data are added. Two species groups are suggested for the genus: a bidenticulata-group with a mucronal seta and an agilis-group without a mucronal seta. Four new species of the second group are described from North America: A. falcula, A. parkeri, and A. tarashchukae from forest streams of the Appalachian Mountains in Tennessee, North Carolina, and New York, and A. extrema from glaciers in Washington and Alaska. The head of… Expand

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