Minnesota Northwoods Dragonflies
Emeralds and Baskettails (Corduliidae)
Updated December 3, 2006
American Emerald male, Cordulia
shurtleffi.
Racket-tailed Emerald male, Dorocordulia
libera. August 2,
2002. Bog along Grade Road,
Cook County, Minnesota.
Racket-tailed Emerald female, Dorocordulia
libera. July 8, 2002.
Leskinen Lake, Lake County,
Minnesota.
Quebec Emerald male, Somatochlora
brevicincta. July 11, 2005.
Boggy Creek near Toimi, Lake County, Minnesota.
Quebec Emerald male, Somatochlora
brevicincta. July 11, 2005.
Boggy Creek near Toimi, Lake County, Minnesota.
Quebec Emerald male appendages. July 11, 2005.
Boggy Creek near Toimi, Lake County, Minnesota.
Lake Emerald female, Somatochlora
cingulata. July 6, 2005.
Toohey Lake, Cook County, Minnesota.
Lake Emerald female, Somatochlora
cingulata. July 6, 2005.
Toohey Lake, Cook County, Minnesota.
Kennedy's Emerald male, Somatochlora
kennedyi. July 29,
2002. Tveekrem yard, Cook County, Minnesota.
Kennedy's Emerald male appendages.
July 29,
2002. Tveekrem yard, Cook County, Minnesota.
Ocellated Emerald male, Somatochlora
minor. Aug. 11,
2002. Four-mile Creek, Cook County, Minnesota.
Ocellated Emerald male, Somatochlora
minor, perched.
Closeup of Ocellated Emerald thorax,
showing cream-colored round spots.
Brush-tipped Emerald male, Somatochlora
walshii. Aug. 11,
2002. Four-mile Creek,
Cook County, Minnesota.
Closeup of Brush-tipped Emerald appendages
(side view), showing "brush".
Common Baskettail male, Tetragoneuria cynosura. July 8, 2002.
Leskinen Lake, Lake County,
Minnesota.
Spiny Baskettail male, Tetragoneuria spinigera. July 8, 2002.
Leskinen Lake, Lake County,
Minnesota.
Spiny Baskettail male, Tetragoneuria spinigera,
side view. July 8, 2002.
Leskinen Lake, Lake County,
Minnesota.
Spiny Baskettail female, Tetragoneuria
spinigera. July 17, 2003.
Grade Road, Cook County,
Minnesota.