Ichneumon-flies of America North of Mexico pt. 2: Subfamilies Ephialtinae, Xoridinae, and Acaenitinae

@article{Townes1960IchneumonfliesOA,
  title={Ichneumon-flies of America North of Mexico pt. 2: Subfamilies Ephialtinae, Xoridinae, and Acaenitinae},
  author={Henry K. Townes and Marjorie C. Townes},
  journal={Bulletin of the United States national Museum},
  year={1960},
  volume={216},
  pages={1-676}
}
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