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Mayfly Species Drunella doddsii (Western Green Drake)

Pictures Below
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 (Thorax: The thorax is the middle part of an insect's body, in between the abdomen and the head, and to which the legs and wings are attached.), has a flat frontal head margin and a unique oval disk-like ring of hairs on its ventral (Ventral: Toward or on the bottom.) 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


Region: West

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.

Pictures of 9 Mayfly Specimens in the Species Drunella doddsii:

Specimen Page:12
Female Drunella doddsii (Western Green Drake) Mayfly DunFemale Drunella doddsii (Western Green Drake) Mayfly Dun View 7 PicturesI 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.
Collected July 8, 2007 from the Gulkana River in Alaska
Added to Troutnut.com by Troutnut on July 19, 2007
Specimen Page:12

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