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Salmonflies
Pteronarcys californica

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

Mayfly Species Drunella doddsii (Western Green Drake)

This species together with the Drunella grandis sub-species make up the Western Green Drake hatch. Besides being smaller, the adults are difficult to tell apart from it's larger siblings; but D. doddsi nymphs have a few peculiar traits that set them apart. D. doddsi looks much thicker in the thorax, has a flat frontal head margin and a unique oval disk-like ring of hairs on its ventral surface. However, There are very few differences between the habits of these two species, and they are almost always discussed together in fly fishing books, so for many of the characteristics of doddsii, refer to the Drunella grandis page.

Where & when

Fred Arbona writes that doddsii is only found in "cold, fast-flowing sections of freestone rivers." This is the only important difference between it and Drunella grandis, which exists in a wide variety of habitats.

Specimens of the Mayfly Species Drunella doddsii

1 Male Dun
1 Female Dun
Female Drunella doddsii (Western Green Drake) Mayfly Dun
I still haven't got my good camera gear set up, but I wanted to get my first Alaskan bug specimen online, so I photographed this one with my point+shoot in the raft.
10 Nymphs

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References

Species Range
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