Salmonflies
Pteronarcys californica
The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
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This seems to be a young larva of Limnephilus. Although not clear in the picture, several ventral abdominal segments have chloride epithelia.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and
fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or
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Definition of 'costa' in Mayflies
Definition of 'costa' in Mayflies
Costa: The costa (denoted C) is the first (anterior) major longitudinal wing vein. In mayflies, it forms most or all of the front edge of the forewing. It is a ridge vein (+).
These other words reference the same concept: costal, costal vein, vein C, C vein, C.
These other words reference the same concept: costal, costal vein, vein C, C vein, C.