No, it's not a Klingon. Little bit of foam and elk; floats low, floats a long time. Tied here in salmonfly colors; change to suit your needs.
hook - Mustad 79580 #2
thread - UTC 140 hot orange
body - 2mm foam dark brown
abdomen/thorax - dubbing rust/hot orange rabbit
wing - elk hair
indicator (optional) - 2mm foam orange
legs - rubber medium brown
taper foam strip (hook gap wide) to create tail (a little longer than hook gap) and poke a hole at base of taper, mash barb and slide on hook
attach thread at head and wrap back to bend
brush a bit of Super Glue on inside of foam, then 1 soft loop, pull slowly but firmly (to keep from cutting the foam) to create first segment
wrap thread forward to expand first segment
dub thread, dub segment
pull foam down, advance thread to next segment location (approx 40% mark)
create segment with thread wraps
clean, stack and measure (extend a bit past tail) a clump of elk hair; tie in and trim butts
tie in legs
dub thread, dub segment
pull foam down, move thread forward and repeat previous steps
poke another hole in foam at eye, pull foam up and tie down at eye
cross thread over back to base of head; pull foam back and tie down
tie in indicator
whip, SHHAN, trim all things rubber and foam and you're done
dorsal
ventral
Regards,
Scott