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Heikki HIPPA

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Revision of the Oriental species of the genus Sphegina Meigen, 1822 (Diptera: Syrphidae)

VAN STEENIS J., HIPPA H. & MUTIN V. A. 2018. — Revision of the Oriental species of the genus Sphegina Meigen, 1822 (Diptera: Syrphidae). European Journal of Taxonomy 2018 (489): 1-198. https://doi.org/10.5852/ejt.2018.489

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Taxonomy of Bradysia Winnertz (Diptera, Sciaridae) in the Northern Holarctic, with the description of four new species

HELLER K., HIPPA H. & VILKAMAA P. 2015. — Taxonomy of Bradysia Winnertz (Diptera, Sciaridae) in the Northern Holarctic, with the description of four new species. European Journal of Taxonomy 2015 (122): 1-15 (EJT-122). https://doi.org/10.5852/ejt.2015.122

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