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JELLY PUPA


Trout frequently lock onto swimming pupae just prior to and during caddisfly hatches.   The Jelly Pupa is designed to imitate the swimming pupae of small to medium sized cased caddisflies. 

The Stretch Cord abdomen and soft hackle provide realistic translucency, profile and movement. I have found partridge and barnyard hen saddle-hackle-fibres too coarse and stiff on flies smaller than size 16. Genetic hen neck feathers are ideal for the size 18 version.

Stretch Cord may be used to great effect as a ribbing material on larger pupae. The abdomens of many medium to large caddisfly pupae are brown or olive with touches of green. They also tend to have a rough outline on account of gills or hairs. A hare’s ear abdomen with a Stretch Cord rib imitates the abdomen of the natural remarkably well, incorporating some realistic translucency and subtle glow. The soft hackle on my Jelly Rib Pupa represents the legs and feelers of swimming caddis pupae and provides that all important natural movement.

Recipe
Hook:  TMC 200R, sizes 18 - 16  
THREAD:  Olive UTC 70
ABDOMEN:  Single strand 0.5mm Stretch Cord, colour to match natural e.g. yellow,  light green, medium green or orange.
THORAX:  Natural hares ear dubbing.
HACKLE:  Three turns black or brown Genetic hen neck for size 18, and 1.5 – 2 turns brown or grey partridge for size 16. In both cases the feather fibres should be long enough to reach the hook bend.  


 

Step 1

Tie in the single strand of Stretch Cord allowing sufficient space between tie-in and hook eye to accommodate both thorax and hackle. Now stretch the strand of cord according to size of hook (i.e. more so for size18 than for size16), securing it atop the shank with open thread turns, to a position just above the barb. Make three or four tight thread turns in the area above and in front of the barb to flatten the cord, thereby ensuring a tapered abdomen, and then return the thread, in open turns, to a position just anterior to the tie-in.

 

 

Step 2

Stretch the Stretch Cord substantially whilst wrapping it forward and around the hook shank, reducing tension after the first two turns. Tie the Stretch Cord off just in front of the tie-in, stretching the tag end when trimming away the excess.

 

 

Step 3

Twist a fine noodle of dubbing onto the thread and dub the thorax.

 

 

Step 4

Tie in the prepared hackle with concave side facing rearwards. Take two or three turns of the feather and tie off, clipping away the excess.

 

 

Step 5

Now draw the feather fibres rearward and take a few wraps of thread over the base of the hackle to slant the barbs. Finally tie-off and colour the thread head with a black permanent marker before varnishing.

 

 

Step 6

The size 16 version with partridge hackle

 

JELLY RIB PUPA




Originator:  Marc Griffiths
HOOK:   TMC 200R, sizes 16 - 14
THREAD:  Olive UTC 70
WEIGHT:  Five or six turns of 0.015” lead wire under the thorax.
RIB: Single strand 0.5mm green Stretch Cord.
ABDOMEN:  Hares ear dubbing, colour to match natural.
THORAX: Hares ear dubbing, colour to match wing pads of natural.
HACKLE: 1.5 – 2 turns brown or grey partridge with feather fibres long enough to reach the hook bend.

Note: The Jelly Rib Pupa combines the bugginess of hare’s ear with the colour and translucency of Stretch Cord. Tie the rib in along the near side of the hook shank, behind the wraps of lead, stretching it as much as possible to reduce volume.


Jelly pupae underwater and against an overcast sky

 


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