"Golden Stonefly"
Acroneuria
californica
giant stonefly nymph

to reveal adult form, place
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These big insects
are second in importance to
the Giant Salmon Flies on our western rivers.
1 1/4". Emerge early June to mid-July over 10 day
to 2 week period. Rich amber color with strong
brown on head and body. Found among rocks
& rubble swift rivers. Fish down-&-across, deep.
Other giant stoneflies: Giant
Black Stonefly;
Great Brown Stonefly; Great
Stonefly;
Giant
Salmon Fly