Here is the fly pattern sheet for the Sierra Bright Spot.

Here is a variant my customer asked me to tie using flourescent chartreuse.

Materials
Hook:
Daiichi 1100 or 1180, size 12 – 20
Thread:
Glo Brite Floss, fluorescent red (Hareline code #GB139)
Tail:
Golden Pheasant tippet
Rear hackle:
Grizzly
Body:
Working thread
Front hackle:
Grizzly
Personal tying notes:
- Optional – Glo Brite Floss, fluorescent chartreuse (Hareline code GB #127)