Granted this is a rough description, but it is a start. Here are some popular flies useful on the Mad River during specific times throughout the year.
January
Olive Wooly Buggers
Olive Caddis Pupae
February
Olive Wooly Buggers
Green Caddis
March
Black Flying Ants #16
Midges #20-#24
April
Elk Hair Caddis
Adams #16
May
Rainbow Prince
Sparce Light Cahill
June
Tricos
Light Cahill
July
Tricos
Olive Caddis
August
Tricos
Midges
October
White Caddis
Bead Head Prince
Tricos
November
Blue Winged Olives
Bead Head Pheasant Tail
December
Wooly Buggers