Submitted by Dayna Gross, Silver Creek Preserve manager
This spring weather has really given us a run for our money at Silver Creek. The usual pale morning dun (PMD) hatches are happening--- but throughout the day and seemingly at random. I saw an enormous PMD hatch (size 16-18) on upper Silver Creek (upstream of the visitor center) around five o’clock last night.
Other reports have the hatch happening around 10:30 or 11:00 am.
Baetis (size 20-22) appear throughout the day.
The word at the visitor center is that the brown drakes started last night. There was a thick hatch at the Picabo bridge about 10:30 p.m. and there were a few sparse flies near point of rocks.
I met up with the US Geologic Survey today, who just happened to be doing macroinvertebrate surveys at the the Idaho Department of Fish and Game's willows access and they said the creek was loaded with brown drakes.
I suppose that may be considered inside information, but when it comes to the brown drakes—take what you can get. Tonight may be the night!!
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