Iowa Species Detail

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Flag-tailed Spinyleg - Dromogomphus spoliatus



Flight Season

Early Date: June 27    Late Date: September 15
Rare Abundance Scale Abundant
FLIGHT SEASON
JAN FEB MAR
                       
APR MAY JUN
                       
JUL AUG SEP
                       
OCT NOV DEC
                       

Description

With your best bass voice, slowly say the word "Dromogomphus". The Flag-tailed Spinyleg, the only one of the genus found in our state, is one of our great dragonfly predators. This large and long-legged critter sits quietly on a perch, watching for the unsuspecting butterfly, or even another dragonfly, to fly too close for comfort. Its wide, rusty club makes it easy to see as it hunts at the edges of lakes and ponds of southern Iowa.

Size

Although some species show a bit of variation in size, the following graphic will give you a general feeling for the normal size of this species.

State Status:  S3      Global Status:  G4G5


Geographic Distribution - 25 Counties

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Recorded in These Counties
Appanoose Cherokee Clarke Dallas Davis
Decatur Des Moines Henry Jasper Keokuk
Lee Linn Lucas Madison Mahaska
Marion Monroe Polk Poweshiek Story
Van Buren Wapello Warren Washington Wayne