Little Green Stonefly
Scientific Names: genera Sweltsa, Suwallia, Alloperla
Common Names: Little green stonefly, little olive stonefly
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Views
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NYMPH SIZE: 7-12 mm
NYMPH COLOR: Dark brown
ADULT SIZE: 9-12 mm
ADULT COLOR: Pale yellow to light green body (greens can be fairly bright); light green to pale yellow wing.
OTHER CHARACTERISTICS: Nymphs have no external gill filaments. Adults have well-developed tails.
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About Little Green Stoneflies
Nymphs of little green stoneflies live in plant debris in riffles and runs with moderate flow. They are seldom available to trout until mature nymphs migrate towards shore to emerge. During the migration, you can dead-drift a nymph near the bottom with some success.
The best fishing is in the evening when adult females lay their eggs on the water. A dry fly works well at this time. There's nothing tricky about the fishing--standard patterns of the appropriate size and color, presented with standard tactics in obvious places. The problem is that most fly anglers don't even know there's a hatch on. Other, more glamorous bugs are hitting their stride at this time of year (July and August), and the little green stones are overlooked in the fading light of a long summer evening. While anglers may be unaware of their presence, trout are often keenly interested.
Articles About Little Green Stoneflies
Click headline to read entire article
Beyond the Big Stones When the big salmonflies and golden stones fade away, trout often turn their attention to the little green and yellow stones. Be ready with these slick patterns. Jeff Morgan
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Matching Little Green Stoneflies
Only standard fly patterns are shown. Click here for all matching flies in the database.
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Matching Salmonflies
Only standard fly patterns are shown. Click here for all matching flies in the database.
Nymph |
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A. P. Nymph, Brooks Stone, Kaufmanns Stonefly, Rubber Legs |
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4-8/Black, chocolate brown |
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Indicator, Tight line |
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Riffles, moderate-fast runs; just below these |
Adult |
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Clarks Stonefly |
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4-8/Dark brown and orange |
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Standard dry fly |
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Bankwater near foilage |
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MacSalmon, Madam X, Sofa Pillow, Stimulator |
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4-8/Dark brown and orange |
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Standard dry fly, Skating |
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Bankwater near foilage |
Egg-layer |
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Clarks Stonefly |
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4-8/Darker brown, dark orange |
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Standard dry fly |
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Riffles, moderate-fast runs, backeddies, seams |
Egg-layer |
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MacSalmon, Madam X, Sofa Pillow, Stimulator |
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4-8/Darker brown, dark orange |
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Standard dry fly, Skating |
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Riffles, moderate-fast runs, backeddies, seams |
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