Eye of the Guide

FOOD SOURCES ON SPRING CREEKS (part 7)

Satoshi Yamamoto - Apr 7, 2014

Sysadmin Note
Part 6 can be found here

Chapter 7: Caddis Larva

Caddis often seems to be forgotten or even ignored due to the popularity of mayflies on spring creeks. They will also hatch and cause trout to rise and will consist a certain part of the trout's diet. Caddis hatches also take place during the warm months (spring to summer) but their larvae remain active and seem found throughout the season (my kick-seining and stomach samples). Knowing food sources and having fly patterns always get you one-step ahead of others. These caddis larva patterns are such examples.

Free Living (Swimmer)

Portable Case Maker

Seasonal Importance:

Either at moderate or fast riffles of spring creeks, caddis larvae are found all through the year. These would become important and be eaten more by trout during the period other insects are dormant.  

Chewy Green Caddis Larva


  • Hook: 2XL curved hook #10 to 16
  • Thread: 8/0 olive
  • Weight: .015 lead-wire under thorax.
  • Tail (pincers): Brown goose biots
  • Ribbing: Gold or copper wire. Small or medium, depending on sizes.
  • Over-body: Scud back olive
  • Under-body: Super-Floss or any other "stretchy" materials, wrapped around
  • Dubbing: Brown Ice dub in a dubbing loop

L.L. Beads (black)


  • Hook: 2XL curved hook #16
  • Thread: 8/0 black
  • Body: small black beads
  • Tag: Pearl Krystal Flash, whip-finished
  • Coating: Clear cement or nail paint

Note: This is exactly the same pattern as shown in Chapter 1. However, I'd like to categorize this "black #16" separately from red & small ones. This one also imitates small leeches that I often observe. Indeed I came up this one first before red ones. Hence the name "L.L.", which stands for "Leach & Larva".

How to Fish:

Use under an indicator rig at moderate to fast riffles, where caddis larvae are most common. They prefer oxygenated waters. Apply split-shot to achieve desired depth (speed to get down) and drift (the more weight, the slower to drift). I encourage anglers to use these patterns on two-nymph rigs, combining with other aquatic food sources.

Satoshi Yamamoto, http://leftyangler.blogspot.com, is a guide and a professional fly-tyer in Livingston, MT.

Sysadmin Note
Part 8 can be found here

 

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