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Transcript
Insects of the Stream
An overview of the insects important
to the successful fly angler
Why know the bugs?
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Insects are the fishes main diet!
Certain insects thrive during specific times
Insects hatch during specific times
Insects go through life cycles
Even having a beginners knowledge about
insects will greatly increase your success
on the water
Life Cycle Idea
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General idea of the
lifecycle
Very similar among all
insects, with some
differences that can
be studied later on
What this means…
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Is you can fish with
different techniques
targeting not only
different types of
insects, but their
different stages of life
Adults, nymphs, etc…
Major groups
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Mayflies
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Stoneflies
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Caddisflies
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Terrestrials
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Midges
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Other
Mayflies
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Usually 3 tails on both
adults and nymphs
Adults have large
upright wings
Nymphs have gills on
their abdomen
…more mayflies
Mayfly imitation
Stoneflies
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Usually 2 tails on the
nymph
Adults have large
wings laying flat
against the body
Nymphs have gills on
their thorax, sort of in
their ‘armpits’
…more stoneflies
Stonefly imitation
Caddisflies
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Adults have large
wings laying over
back in a tent style
Nymphs live in self
built cases of different
materials, some are
free living w/o a case
…more caddisflies
Caddisfly imitation
Terrestrials
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Terrestrials represent
any insects living on
land that my fall or fly
onto the water where
they may be fed upon
These include beatles,
ants, hoppers, etc…
…more terrestrials
Terrestrial imitation
Midges
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Midges can be
mistaken as
mosquitoes
They are tiny, two
winged insects
Larva looks like small
worms
Craneflies are bigger
…more midges
Other insects
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Include hellgrammites and fresh water scuds
Other aquatic life
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Other aquatic life
exists that fish feed
on. Not limited to
insects…
Worms, leaches,
snails, slugs, crayfish,
etc…
What you can learn more about
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Specifics on species
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Hatch Charts
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BWOs, Sulfurs, March Browns, Drakes
Know what time of year/day to expect them
http://www.lycoming.edu/orgs/flyco/streams.html
Every single insect doesn’t have a specific fly
pattern. The gold-ribbed hares ear pattern
mimics a wide array of insect nymphs thriving in
the water