Cordulia Leach,1815(Corduliidae) - American Emerald
Cordulia shurtleffi Scudder, 1866 - American Emerald

Notes - References
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Page last updated: 17August 1998

Notes onCordulia shurtleffi in Michigan

The one species of the genus found in NorthAmerica - Corduliashurtleffi - is widespread in our area(Map 1, below).


Map 1: County distribution ofCorduliashurtleffi in Michigan
Click on map to enlarge

Fairly hairy, robust nymph are distinguished bytheir distinct brown lateral thoracic stripe and lack of mid-dorsalabdominal hooks. Walker and Corbet(1975) indicate that this fairly commonspecies prefers sphagnum bogs and ponds, and larvae appears to beable to tolerate poorly oxygenated, stagnant waters. Emergence inMichigan is fairly early, from the beginning of May into June.

Other links with information on the biology orecology of larval Cordulia:
Briefhabitat notes from Ottawa (Ontario, Canada) >>http://www.cyberus.ca/~jdsankey/odon2.html

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References

Leach, W. E. 1815.Entomology, pp. 52-172. In Brewster's Edinburghencyclopaedia. Vol. 9. Edinburgh.

Scudder, S. H. 1866.Notes on some Odonata from the White Mountains of New Hampshire.Proceedings of the Boston Society ofNatural History 10:211-222.

Walker, E. M., and J.S. Corbet. 1975. The Odonata of Canada and Alaska, Vol. 3. Universityof Toronto Press: Toronto, Ontario. xvi + 308.

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