Yakima River Fish Report 10-19-07

Yakima River

by Kaufman Streamborn
(800) 442-4359

The BWO's filled the afternoon fishing on Tuesday, picking up at 2pm just as the clouds set up, and went to 5. Some Fall Cahills and big (#14) Mahoganies came off in good numbers for about 20 minutes, and got some fish to switch, but the BWO's fairly dominated the scene. On cloudy days, this will be the rule strong emergences with trout feeling comfortable about sliding into softer feeding lies, and rising. On sunny days, the hatch is more likely to be less-intense, and shorter duration (although not always!), with trout tending to mostly stay on the nymphs.

There were also blizzard October Caddis emergences in the Canyon as recently as Tuesday evening. Even if they stopped coming off Wednesday (they won't), it'll take a good week for trout to stop looking for them once the hatch peters out. Give the big orange down-wings another week or two!

Mayflies -
BWO's: BH Flashback PT Olive #18-#20; Flashback PT Olive #18-#20 (deep nymph/shallow nymph); Cripple BWO #20-#22; Sproat Baetis #18; Almost Dun BWO #20; Sparkle Dun Baetis #20

Gray Baetis: Spotlight Emerger Callibaetis #16; Parachute Adams #16-#18

Paraleptophlebia ("Mahoganies"): BH and non-BH Flashback PT Brown #14-#18; Sparkle Dun Mahogany #16; Lawson's Thorax Mahogany #14-#18; Parachute Black #16

Heptagenia (Fall Cahill): Parachute Cahill #14

October Caddis -
Cased Caddis #8-#10; Deep October Pupa #6-#8; Morrish's Adult #8; Sofa Pillow #10

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