Yellowstone Park
AM tricos are beginning to appear on Fall River Basin streams. So a good strategy is to break out those size 18-22 emerger patterns for use until late morning. At that time trico activity winds down rather quickly, so switch to presenting terrestrial insect patterns of choice. Include traditional humpies in these; they make excellent horse fly and deer fly imitations.
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Berry season remains in Fall River Basin forested areas, and the scent of huckleberries and low bush blue berries is in many locations. It is a strong signal to be "bear aware!"
Fly Patterns to use:
Bionic Ant 2.0 Brown
CDC Biot Rusty Spinner
Pheasant Tail Flashback