to reveal the adult form, place mouse over image
Classic eastern species. 1/2".
Emerge on most swift eastern rivers.
Generally a twilight hatcher, July
into September. Often found mixing
with Little Green Stoneflies.
"Little Yellow
Stonefly"
Isoperla bilineata
stonefly nymph
to reveal the adult form,
place mouse over image
Classic eastern
species. 1/2".
Emerge on most swift eastern rivers.
Generally a twilight hatcher, July
into September. Often found mixing
with Little Green Stoneflies.