Extreme size variation in the hoverfly Episyrphus balteatus (Degeer) (Dip.: Syrphidae)
Jones, Richard, 1958 July 14-
Article
2000
The entomologist's record and journal of variation
112
224--224
BioStor
English
[London s.n
BioStor: https://biostor.org/reference/186059
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