Massive mayfly at my house in seattle

We live about a half a mile from the lower Yakima River and find a couple of these on window screens around this time of the year. I wondered what they were as well. Never thought about Hex’s. Thx for the ID.
 

JamesRPL+

Active Member
East side here in Tac. I get them on my window screens and am over 2 miles away from the closest fresh water/ including the city water........
 

Tmik

Active Member
WFF Supporter
I live across the street from Magnusson park, so lake Washington would be the likely body of water for me.
 

jamma

Active Member
As you know, Hex Limbata nymphs are burrowers and line in sediment. They form the huge mayfly hatches that show up on weather radar when they emerge from the Mississippi River between Minnesota and Wisconsin.



Snow plows are used to clear the roads.





Incredible pictures illuminating what I mentioned earlier. The closest I ever came to seeing something like this was when, returning from a successful day fishing the Blitzen River, I ran into a midge hatch by Malheur Lake that covered my windshield. As I was driving into a setting sun, I was for all intents and purposes driving blind. When I pulled into a gas station in Burns and the attendant came out, I had to tell him I didn't need gas, just the ability to see the road! After that, I always kept a can of windshield bug removal spray and a roll of paper shop towels in the car.
A week later found me returning to my car to find a supermarket parking lot flock of starlings pecking sun-roasted midges off my front bumper.
 

jacknoir

Active Member
I’ve fished Hex hatches a few times on trout water in the east. The ones I’ve encountered have been a much lighter cream color, or near white. Cool to see the darker variation.
 

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