| 词条 | American emerald |
| 释义 |
| name = American Emerald | image = American Emerald (Cordulia shurtleffii).jpg | image_caption = | image_width = | regnum = Animalia | phylum = Arthropoda | classis = Insecta | ordo = Odonata | subordo = Anisoptera | familia = Corduliidae | genus = Cordulia | species = C. shurtleffii | binomial = Cordulia shurtleffii | binomial_authority = Scudder, 1866[1] }} The American emerald (Cordulia shurtleffii) is a species of dragonfly found in North America. Is coloured mostly black with a yellow ring between segments 2 and 3.[2] External links
References1. ^{{ITIS |id=102015 |taxon=Cordulia shurtleffii Scudder, 1866}} {{Taxonbar|from=Q1374352}}{{dragonfly-stub}}2. ^Mead, Kurt (2009). Dragonflies of the North Woods. 2nd ed. Duluth:Kodlath+Stensaas Publ., p.102. 3 : Corduliidae|Odonata of North America|Insects described in 1866 |
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