Landed on my car when I was changing my tires. Probably came from Underhill Brook, about 200 yards away.
This was also sitting on the fence, while I was visiting my place.
Distinct tan coloration in wing
All specimens 6-10 mm
About 20 or so size 16 maybe thin bodied medium dark stoneflies. Walking rapidly across the snow as if they had a destination agenda.
About a size 16, slender, medium dark. On a cloudy day, just above freezing.
stone fly of 7 mm body length wing 12 mm very dark brown/black
Early dark stonefly
On Kathleen Harris inventory
BioBlitz 2014 Rancho location at Lower Martini Creek. Nymph caught with D-net in creek.
IL- Peter husby
Observed on porch railing at UMass. Nearest stream is 1/3 mile away. Nearest healthy stream > 1 mile away.
Trust me! Nymph was moving and ipad sucks for taking quick photos. Test. Ipper Rodeo Crk
Identified by John Doe
Stonefly, possibly perlidae, photos of dorsal side, and ventral with thoracic gills. Found under cobble in riffle.