Template:Rhithrogena

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Rhithrogena

Rhithrogena cover.jpg
Order
Ephemeroptera
Family
Heptageniidae
Genus
Rhithrogena


Tied fly
Dark Blue Upright
This three-tailed genus of mayfly has whitish gills that appear fluffy; some species have bright red gills when alive. The gills on abdominal segments 1 and 7 are larger than the others and almost meet underneath the abdomen.

Click to view picture of the gills