Studies on SyrphidÆ. III. An Interesting Meristic Variation in Syrphus perplexus
Osburn, Raymond C. (Raymond Carroll), 1872-1955
Article
1910
Journal of the New York Entomological Society
18
62--66
BioStor
English
Lawrence, Kan Allen Press [etc.]
BioStor: https://biostor.org/reference/118996
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