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The North American dragonflies (Odonata) of the genus Macromia
Date:
1909
Citation:
Williamson, Edward Bruce. 1909. "The North American dragonflies (Odonata) of the genus Macromia." Proceedings of the United States National Museum. 37 (1710):369–398, 7 figs., 2 pls.. https://doi.org/10.5479/si.00963801.37-1710.369
