Metasyrphus nielseni D. & L. (Dipt.: Syrphidae) in the British isles
Speight, Martin C. D.
Article
1977
The entomologist's record and journal of variation
89
154--155
BioStor
English
[London s.n
BioStor: https://biostor.org/reference/187731
In copyright. Digitized with the permission of the rights holder.
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http://creativecommons.org/licenses/by-nc-sa/3.0/
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