Green Sedge (Caddisflies) Adults
As the name implies, the Green Sedge's body is usually green and its wings are a
gray to brown mottled color. They can have gold specs in them. They are imitated
using a hook size 14 or 16 depending upon the particular species hatching or
depositing their eggs. Most of the Green Sedges are a hook size 16.
Usually the pupa imitations will outperform the adult imitations during the hatch. The
adults depart the water very quickly. Most species hatch in warm weather and it
doesn't take them very long to dry their wings. The trout tend to focus on the
emerging pupae because they are much easier for them to catch. The pupae are
The most action anglers can get from the Green Sedge hatch is fishing during the
times the females are depositing their eggs in the water. The female dives to bottom
to deposit her eggs and then accents to the surface to drift away in the current. If
they don't finish their job the first attempt, they may depart the water and repeat the
diving and egg pasting process. When the eggs have been deposited, they usually
drift in the surface skim a short distance before dying.
Some species of the Green Sedges crawl to the bottom to deposit their eggs. They
crawl down the rocks and boulders and paste their eggs on the bottom. Either way,
they return to the surface to drift away in the current.
In spite of the fact the pupa imitation usually outperforms the adult dry fly imitation,
many anglers prefer the dry fly action over fishing the pupa. To imitate the adults
during the hatch using the adult imitation, make short up or up and across
presentations in the riffles and runs where the Green Sedges are hatching.
The females deposit their eggs in the same riffles and runs they hatched from..To
imitate the divers, fish the Perfect Fly imitation of the adult like a wet fly. Add some
weight a few inches above the fly so that it to sink to the bottom. This is best done
by making a down and across presentation. Allow the fly to swing all the way around.
Stop moving the tip of the rod at the end of the drift so the current will bring the fly
back to the surface. Most of the time the trout will take the fly just as it's reaching the
To imitate the divers, weight the wet imitation of the adult and allow it to sink and
then bring it back to the surface on the swing. You can use a dry adult imitation
to imitate those drifting on the surface after they have laid their eggs but I
question just how effective it will be. Spent wing patterns will also work if they are
presented at the end of riffles in the calmer water where the spent caddisflies
tend to congregate. Because the females crawl or dive to the bottom and are
saturated to some extent, they probably don't stay on the surface very long
when they die
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