Central and Eastern Oregon Fishing Reports March 4th, 2016 Posted on March 3, 2016 by Bob Rees Central & Eastern – Blue-Winged-Olives will be common on the lower Deschutes in March and will be continue to be an important pattern through April. Expect to see BWO hatches... This post is only available to Members. If you are a Member, please be sure to log in. You can do this on the top right of almost any page on our site. If you want to become a member or find out more, take a look here.