Black Stonefly Hatch Home › Forums › Fly Fishing › Black Stonefly Hatch This topic has 2 replies, 3 voices, and was last updated 7 years, 9 months ago by albatross. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts March 16, 2017 at 5:34 pm #1246 lastchanceParticipant Will they be hatching into April? March 19, 2017 at 9:02 am #1248 jcrModerator I’ve never seem them that late. A better question is how is the BWO hatch? March 23, 2017 at 3:16 pm #1249 albatrossParticipant Well, how is the olive hatch? Planning to get out Saturday. I would have to cross the Little J to get to Spring Creek. Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Type in the text displayed above Log In