Aquatic Insects of Central Virginia

Another rainy day; another good day to do some microscope work. While fishing in Montana last month, I found two "common stoneflies...

One of my friends who lives in Sugar Hollow told me last week that she had found Odontocerids in the North Fork of the Moormans.  She told ...

I've decided to try my hand at species identification of some of the spiny crawler mayflies (family: Ephemerellidae) that we find in ou...

It's one of those days when I'm not really sure where to begin.  I went to the Rapidan River in search of "Strong Case-maker...

Our beautiful "summer" flatheaded mayfly -- Heptagenia marginalis -- and one with all of its legs and tails!  If you've ever...

This photo was taken last year on 9/22.  Things aren't quite this bad at the moment -- but I could not find running water in the Lynch...

Has to be a slow day when I start off with pictures of an adult Dryopid beetle!  What's odd to me is that when I found these in samples...