Humbug Marsh Dragonflies

Dragonfly

Russet-tipped clubtail 
Photo Credit: Julie Craves 


 

 

Humbug Marsh is a haven for dragonflies that are regionally rare. The marsh and its adjacent upland support the largest known population of the Michigan Special Concern Species Stylurus plagiatus (russet-tipped clubtail) in Michigan, and perhaps in the Midwest. The Michigan Special Concern Stylurus notatus (elusive clubtail) has also been recorded at the site. One of the dragonfly species observed during a recent survey, Erythrodiplax umbrata (band-winged dragonlet), represented first recorded specimen from the state (Craves and O'Brien 2007, Craves 2007). 
 
 
 
Bibliographical references: 
 
Craves, J. A. 2007. Baseline inventory of Odonata at the Detroit River International Wildlife Refuge, 
Humbug Marsh Unit. Final Report. CCS MOA #2007CCS-98. USFWS Region 3, Fort Snelling, MN. 
Craves, J. A. and D. S. O'Brien. 2007. [Band-winged Dragonlet] Erythrodiplax umbrata (Odonata: 
Libellulidae): New for Michigan. Great Lakes Entomologist 40:95-97. 

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