Speckled Peter Caddisfly (helicopsyche borealis)

The Speckled Peter or helicopsyche borealis, is one of those caddisflies that
receives little attention from anglers. They are tiny brown caddisflies that hatch in
large numbers. The females are usually only about a hook size 20 and the males
even smaller, averaging a hook size 22.

You would think such a small caddisfly would not be worth imitating in streams
where there are numerous other hatches of much larger insects, but that's not
the case with the Speckled Peter.

We show the hatches starting near the end of Spring but it varies considerably
with the particular stream. The Speckled Peter caddisflies prefer moderate
currents as opposed to fast moving water.

Our imitation matches the females which are on the water far more often than the
males because they deposit their eggs on the water whereas the adult males
usually die on land without every getting into the water after emerging. Don't
think the Speckled Peter caddisfly isn't important because It can cause the trout
to feed just as well as many larger insects.

These caddisflies are very plentiful in many western trout streams. They emerge
in the evenings. They also deposit their eggs in the evenings. Your best
opportunity using either the pupa or adult imitation usually comes just very late in
the day or before dark.

The Speckled Peters are case makers that build their shelter type cases with
sand. Although the trout probably eat the larvae at times, we have not tried to
imitate them because we don't think they represent a major part of the trout's diet.
That's the reason we don't have a larva imitation of the Speckled Peter.
Copyright 2013 James Marsh
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