@inbook {2383,
	title = {K{\"a}tk{\"o}pisti{\"a}iset},
	year = {2019},
	author = {V{\'a}rkonyi, G. and Koponen, M. and Paappanen, J. and {\"O}sterblad, I. and Fritzen, N. R. and Jussila, R. and Paukkunen, J. and Vikberg, V.}
}
@article {1803,
	title = {Natural history and description of Zatypota kerstinae sp. nov.(Hymenoptera: Ichneumonidae) reared from Theridion palmgreni Marusik et Tsellarius (Araneae: Theridiidae) in Finland},
	journal = {Zootaxa},
	volume = {2487},
	year = {2010},
	pages = {52-60},
	author = {Fritzen, N. R.}
}
@article {1614,
	title = {Clistopyga caramba sp. nov. (Hymenoptera: Ichneumonidae; Pimplinae), an astonishing example of mimicry in spider-attacking parasitoid wasps.},
	journal = {Zootaxa},
	volume = {4013},
	year = {2015},
	pages = {287-292},
	author = {S{\"a}{\"a}ksj{\"a}rvi, I. E. and Castillo, C. and Bordera, S. and Broad, G. R. and Rinne, V. and Fritzen, N. R.}
}
@article {1414,
	title = { Spider silk felting{\textemdash}functional morphology of the ovipositor tip of Clistopyga sp.(Ichneumonidae) reveals a novel use of the hymenopteran ovipositor.},
	journal = {Biology Letters 12: 20160350},
	volume = {12},
	year = {2016},
	pages = {0160350},
	author = {Fritzen, N. R. and S{\"a}{\"a}ksj{\"a}rvi, I. E.}
}
@article {1412,
	title = {Natural history of Oxyrrhexis zephyrus sp. n. (Hymenoptera: Ichneumonidae), a parasitoid of Enoplognatha serratosignata (Araneae: Theridiidae), with notes on taxonomy and other host species of Oxyrrhexis},
	journal = {Arthropoda Selecta},
	volume = {23},
	year = {2014},
	pages = {135-144},
	author = {Fritzen, N. R. and Fjellberg, A.}
}
@article {1411,
	title = {Clypeodromus thyridialis Tereshkin (Hymenoptera, Ichneumonidae, Ichneumoninae) new to Finland},
	journal = {w-album},
	volume = {17},
	year = {2014},
	pages = {3-5},
	author = {Fritzen, N. R. and Broad, G. R.}
}
@article {1410,
	title = {Two new species of the Polysphincta genus-group (Hymenoptera: Ichneumonidae: Pimplinae) reared from their spider (Araneae) hosts in Europe},
	journal = {Zootaxa},
	volume = {3894},
	year = {2014},
	pages = {117-130},
	author = {Fritzen, N. R.}
}
