Pennsylvania Angler & Boater - March/April 2014 - 17

This golden stonefly nymph was found underneath a large
rock in the fast water of a high-quality trout stream. Spend
some time turning over rocks to see what insects inhabit your
favorite trout stream.

Caddisflies are close relatives of aquatic moths. They
spend their larval time along the bottom of trout streams
collecting small pieces of food that are floating in the
current. Some caddisflies create tiny webs to catch food.
Others make intricate houses that they live in and transport
as they crawl along the bottom of streams and rivers. They
pupate and emerge as small moth-like insects that flit and
flutter about streams and rivers. Caddisflies are a major
source of food for most stream trout. Since adults are always

active and moving, they are easy for anglers to imitate
when casting a fly. One of the most popular flies, the
Elk Hair Caddis, imitates these moth-like insects. Many
larval caddisflies are bright green with a dark head and
are very vulnerable to predation outside of their protective
enclosures. Adults come in a range of different muted
shades of gray, brown and tan.
Stoneflies are sensitive creatures. Intolerant of poor water
quality, they can only be found in healthy streams. Ranging
greatly in size, stoneflies can be both tiny and very large,
some are nearly the largest insects seen on a trout stream.
They have a similar three-step life cycle to mayflies and are
some of the only insects that regularly emerge in the winter.
They crawl from the water to emerge and return at dusk to
lay their eggs. The larger spring and summer stoneflies are
a big meal for a hungry trout and can bring up large fish to
feed on the clumsy, flying adults.
Dragonflies are apex predators of the underwater insects.
With jaws that unhinge and shoot forward and the ability
to move by jet propulsion, dragonfly nymphs are amazing
creatures to observe. Blending in easily with bottom debris,
they are found in slower, calmer areas of streams. Anglers
imitating dragonflies do best when mimicking the stop-start
motion that they exhibit. The adults are rarely food for trout
due to their size, but a monster trout will occasionally take
an adult dragonfly that has fallen on the water's surface.

While dragonfly adults are not a regular trout food, their nymphs make a good meal for trout in many Pennsylvania rivers
and streams.
PFBC website: www.fishandboat.com

Pennsylvania Angler & Boater * March/April 2014

17



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Pennsylvania Angler & Boater - March/April 2014

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Contents
Pennsylvania Angler & Boater - March/April 2014 - CT1
Pennsylvania Angler & Boater - March/April 2014 - CT2
Pennsylvania Angler & Boater - March/April 2014 - Cover1
Pennsylvania Angler & Boater - March/April 2014 - Cover2
Pennsylvania Angler & Boater - March/April 2014 - 3
Pennsylvania Angler & Boater - March/April 2014 - 4
Pennsylvania Angler & Boater - March/April 2014 - Contents
Pennsylvania Angler & Boater - March/April 2014 - 6
Pennsylvania Angler & Boater - March/April 2014 - 7
Pennsylvania Angler & Boater - March/April 2014 - 8
Pennsylvania Angler & Boater - March/April 2014 - 9
Pennsylvania Angler & Boater - March/April 2014 - 10
Pennsylvania Angler & Boater - March/April 2014 - 11
Pennsylvania Angler & Boater - March/April 2014 - 12
Pennsylvania Angler & Boater - March/April 2014 - 13
Pennsylvania Angler & Boater - March/April 2014 - 14
Pennsylvania Angler & Boater - March/April 2014 - 15
Pennsylvania Angler & Boater - March/April 2014 - 16
Pennsylvania Angler & Boater - March/April 2014 - 17
Pennsylvania Angler & Boater - March/April 2014 - 18
Pennsylvania Angler & Boater - March/April 2014 - 19
Pennsylvania Angler & Boater - March/April 2014 - 20
Pennsylvania Angler & Boater - March/April 2014 - 21
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Pennsylvania Angler & Boater - March/April 2014 - 62
Pennsylvania Angler & Boater - March/April 2014 - Cover3
Pennsylvania Angler & Boater - March/April 2014 - Cover4
Pennsylvania Angler & Boater - March/April 2014 - CT3
Pennsylvania Angler & Boater - March/April 2014 - CT4
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