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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

Lateral view of a Male Baetidae (Blue-Winged Olive) Mayfly Dun from Mystery Creek #308 in Washington
This dun emerged from a mature nymph on my desk. Unfortunately its wings didn't perfectly dry out.
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
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Mayfly Genus Raptoheptagenia

Where & when

In 12 records from GBIF, adults of this genus have been collected during June (67%) and July (33%).

In 1 record from GBIF, this genus has been collected at elevation of 618 ft.

Genus Range

Start a Discussion of Raptoheptagenia

Mayfly Genus Raptoheptagenia

Species in Raptoheptagenia
Raptoheptagenia cruentata
Species in Raptoheptagenia: Raptoheptagenia cruentata
Genus Range
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