Observation Summary Many backswimmers were swimming in the shallows near the pond edge. Photographed one floating dead on the surface. http://bugguide.net/node/view/698993
From Natural History of Southeast Alaska
A list of all pages that have property "Observation Summary" with value "Many backswimmers were swimming in the shallows near the pond edge. Photographed one floating dead on the surface.
http://bugguide.net/node/view/698993"