Fortunately for fly anglers Brachycentrus occidentallis (Mothers Day Caddis) has a prolonged emergence which can last many hours during mid-day and additionally last many days. Water temperature is the primary catalyst for a blizzard hatch. Your email address will not be published. They are known to hatch at night when it’s illegal for us to fish. I’ve read where this process can take up to two months. You will have a hard time seeing your fly. Mother’s Day Caddis Hatch Outlook and Tactics. These are often the larger trout and more often than not they will prefer the Soft Hackle dropper to the dry fly. Thanks for the comment and tight lines after we get through winter. The most important characteristics in fishing a caddis hatch on a local piece of water are size and color; matching these characteristics properly can make or break a day of fly fishing. Alas, traditions die hard. It’s almost that special time of year when the fish can go crazy eating olive-bodied caddis for a few days on the Yellowstone before the river blows out. Usually, hours before the main hatch, some caddisflies begin popping out. These caddis hatch "bio-indicators" are diverse and include caddisflies that emerge prior to Brachycentrus ... About the time caddis begin to emerge, significant leafing occurs in riparian vegetation and increasing air temperatures produce spring-like conditions. For many, it rivals the salmon fly hatch and can most certainly be just as unpredictable. Fishing in the middle of a Mother’s Day caddis hatch can be frustrating to say the least! When it does go off though, it can make for some of the best dry fly fishing of the entire year with caddis so thick that it can look like it is Sometimes there is a mid-morning peak which will draw fish to the surface. Caddis pupa swims to the surface prior to emergence and a soft lift of the rod tip before recasting will often illicit violent strikes. The Mothers Day Caddis hatch in Montana is often the final hatch before the inevitable spring run-off. By August, morning is usually best. This may add to why so many anglers hold it in such high regard – one last hatch before the rivers flood. Here is a close up of the cased caddis. On that same day, caddisfly pupae begin to drift in 50-degree water, give or take a degree, with an emergence at around 55 degrees. This is an event that many fly fishermen wait for all year. In fact, I’ve seen several flitting around lately and thought it might be a good time to provide an update to the blog post I wrote in previous years. October Caddis can be seen on my home waters, the Metolius River, in other months as well. Along those lines make sure to get out on the river several hours before the hatch. We use cookies to ensure that we give you the best experience on our website. Copyright © 2005 - 2020 Montana Fly Fishing Guides. It’s run-off time on the river. Links to Free Old Fly Fishing and Fly Tying Books. As the water tends to be a bit stained fish tend to key in on the profile of the fly versus its color. Caddis flies, mayflies, stoneflies, and all the other types of natural flies hatch all year round. It’s almost that special time of year when the fish can go crazy eating olive-bodied caddis for a few days on the Yellowstone before the river blows out. On most streams, caddisflies hatch throughout the day. Much of the following information is taken from earlier RiverKeeper Flies posts. Begin now preparing for October Caddis. Color ranges from dark olive to bright green. The water type, season, local climate, and time of day will often determine which distinct hatches of caddis species you’ll most likely encounter. Little Black Caddis Using an adult dry fly with a pupa pattern dropped 24 inches off the back does a great job for both stages at the same time. Fortunately, there are usually remnant Baetis and March Browns around that still bring the trout to the surface. Not only is the emergence prolonged, but the actual time it takes for an individual fly to transition from pupae to adult is elongated. Bugmeister. I pried one off and found the opening closed. (For some spectacular pictures of this transition, check out Arlen Thomason’s great book entitled Bug Waters). Finally devoting some time to fish is probably the most important key. The Mother's Day Caddis, often called by its Latin genus Brachycentrus, is the marquee pre-runoff hatch on the Yellowstone and Madison Rivers, and extends into June on any waters that remain clear at this time, though they are seldom important on spring creeks. However, most often the hatch is too sparse to attract their attention. These bugs are too big for the fish to ignore. (only a couple times per year). When fishing the dry/dropper rig or any subsurface set up take care when recasting the flies. Phew – that’s a tricky one. They build their houses out of the surrounding rocks where they live. But the October Caddis hatch isn’t one of them. This technique is mostly lost to new anglers but is time tested method well known to the wet fly anglers of the past. The spring hatches start with Baetis (Blue Wing Olives) and March Browns finally culminating with the Mothers Day Caddis hatch. I had one day when the river looked good, but no fish were rising. Each year about this time a great natural wonder happens. This field is for validation purposes and should be left unchanged. You can always use it with a smaller nymph to search for trout. All fly images from Solitude Fly Company except Adams’ Modified Everything Emerger which is the authors take on the famed Scott Sanchez Everything Emerger. 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