Nebraska Dragonflies and Damselflies

Division of Entomology

Flag-tailed Spinyleg

Dromogomphus spoliatus

Hagen in Selys, 1858

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The Flag-tailed Spinyleg is a brightly-colored clubtailed dragonfly with long, spiny hind legs. Its orangish club looks large when seen from the side (flag-like), but is compressed so that it does not appear so large when seen from the top. This species has a greenish-yellow thorax with dark stripes, and its abdomen is ringed with black. The male may perch on vegetation or on rocks at the water's edge. The female is similar to the male, but with a lighter abdomen and smaller club. At this writing there is only one Nebraska record: Fremont Lakes SRA, August 3, 2014, found by Brian Peterson.

Flag-tailed Spinyleg
Flag-tailed Spinyleg female, photo by Brian Peterson
Flag-tailed Spinyleg map

Green indicates accepted county record (specimen or photograph).
Yellow indicates sight record only.

Size: 56-65 mm (2.2-2.6 in)

Habitat: slow rivers and streams, large ponds

Great Plains Range: TX, OK, KS, NE, MO, IA

Flight season: late July to early August

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