Could pass for a green drake with a bit of imagination.
hook - WFC Model 6 #10
thread - Uni 8/0 chartreuse
tail - yarn chartreuse
rib(s) - medium tinsel holo chartreuse/small wire chartreuse
body - dubbing chartreuse/Ice Dub caddis green
body hackle - chartreuse
1st shoulder - hen grizzly dyed chartreuse (1Tbs Rit Neon Yellow/1 cup water)
2nd shoulder - pheasant rump dyed chartreuse
Regards,
Scott