Electronic field guide to AQUATIC MACROINVERTEBRATES of SMALL STREAMS in Eastern Massachusetts
Body mid-sized (about 1cm long) and brown, no markings; very common...
Agabus
Body brown with yellow markings, small to mid-sized (about 0.5 cm long); head yellow ...
Uvarus
Body large (more than 2 cm long), black with gold stripes along edges
Cybister
Dytiscid larvae
Dytiscid larvae
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