If you’re wondering about bugs, here’s a pretty good list of Montana fly fishing flies you should have in your box for the Kootenai and northwest Montana streams. Here we offer the best Montana fly fishing flies organized according to month.

March Primary Hatches


Assorted Fly Fishing Flies
blue winged olive mayfly, midge, western March brown mayfly dry fly patterns: blue winged olive #20-18, midge #20, March brown #14, royal wulff #14, parachute adams #14 nymphs: blue winged olive emerger #20-18, pheasant tail #20-14, hare’s ear #16-14, beadhead prince #14, selection of wooly buggers

April Primary Hatches


blue winged olive mayfly, midge, western March brown mayfly dry fly patterns: blue winged olive #20-18, midge #20-18, March brown #14, royal wulff #14, parachute adams #14 nymphs: blue winged olive emerger #20-18, pheasant tail #20-14, hare’s ear #16-14, beadhead prince #14, selection of wooly buggers

May Primary Hatches


blue winged olive mayfly, western March brown mayfly, little black caddis, grannom caddis dry fly patterns: blue winged olive #20-18, midge #20, March brown #14, royal wulff #14, parachute adams #14, black elk hair caddis #18-16, tan elk hair caddis #16-14 nymphs: blue winged olive emerger #20-18, pheasant tail #20-14, hare’s ear #16-14, beadhead prince #14, peaking caddis #16, selection of wooly buggers

June Primary Hatches


little black caddis, grannom caddis, blue winged olive mayfly, pale morning dun mayfly dry fly patterns: parachute adams #18-12, black elk hair caddis #16, tan elk hair caddis #16-14, royal wulff #18-10, royal trude #16-12, thorax pale morning dun #16-14\ nymphs: beadhead hare’s ear #16-12, beadhead prince #16-12, peaking caddis #16-14, pheasant tail #18-12, flashback hare’s ear #16, copper john #16-12, lightening bug #16-12

July Primary Hatches



grannom caddis, pale morning dun mayfly, green drake mayfly dry fly patterns: parachute adams #16-10, tan elk hair X-caddis #16-14, pale morning dun #16-14, rusty spinner #16, green drake #12-10, royal wulff #16-10, royal trude #16-12 nymphs: beadhead hare’s ear #16-12, beadhead prince #16-14, peaking caddis #16-14, green drake emerger #12, hare’s ear #12, pheasant tail #16-12, copper john #16-12, lightening bug #16-14, selection of wooly buggers

August Primary Hatches


grannom caddis, pale morning dun mayfly, little green drake mayfly, terrestrials (hoppers, ants, beetles) dry fly patterns: tan elk hair X-caddis #16-14, tan sparkle pupa #16, parachute adams #16-14, green drake #14, royal wulff #16-14, royal trude #16-14, ants #16-14, hoppers #14-10 nymphs: beadhead hare’s ear #16-12, beadhead prince #16-12, pheasant tail #16-12, copper john #14-12, lightening bug #16-12, selection of wooly buggers

September Primary Hatches


grannom caddis, little green drake mayfly, blue winged olive mayfly, terrestrials (hoppers, ants, beetles), October caddis dry fly patterns: tan elk hair caddis #16-14, green drake # 14, parachute adams #16-12, ants #18-14, royal wulff #18-12, royal trude #16-12, October caddis #10, orange stimulator #10 nymphs: beadhead prince #16-14, beadhead hare’s ear #16-14, pheasant tail #16-14, copper john #16-12, lightening bug #16-12, selection of wooly buggers

Octobe Primary Hatches


blue winged olive mayfly, midge, grannom caddis, micro caddis, October caddis dry fly patterns: blue winged olive #18, tan elk hair caddis #16, orange stimulator #12-10, royal trude #12-10, midge #20-18, lime green midge #20-18, parachute adams #20-16, hoppers #12-10 nymphs: beadhead prince #16-14, beadhead hare’s ear #16-14, pheasant tail #18-16, midge pupa #20-18, copper john #16-14, lightening bug #16-14, selection of wooly buggers