It's a fly, the same size as a common housefly, with a green-speckled abdomen. They are quite persistent and bite like a deerfly or horsefly. It will fly into your kayak and bite your legs. I only encounter them when I'm on or near the water. I've never seen them before this summer.
Does anybody know what it is?
"They don't think it be like it is, but it do." Oscar Gamble