Electronic field guide to AQUATIC MACROINVERTEBRATES of SMALL STREAMS in Eastern Massachusetts
Shoulder spine (foretrochantin) simple, not forked; abdomen without clusters of long, dark spines.
Diplectrona
Shoulder spine (foretrochantin) simple, not forked; abdomen with clusters of long, dark spines on upper side
Parapsyche
Shoulder spine (foretrochantin) forked; two dark plates on underside of second segment
Hydropsyche
Shoulder spine (foretrochantin) forked
Cheumatopsyche
Go back
Restart Key
