The black-shouldered spinylegs can be found through out most of the summer and into September, log after many of the other clubtails have disappeared. They are typically found along large streams and rivers or lakes with rocky shores. The water can not be too acidic or else the nymphs will not survive. I photographed this black-shouldered spinylegs on the shores of the St Croix River in Wild River State Park.
Visible voltage-ABC WEDNESDAY 'V'
6 hours ago