Electronic field guide to AQUATIC MACROINVERTEBRATES of SMALL STREAMS in Eastern Massachusetts

Mandibles swing up and down in parallel motion, like "fangs"; body pale, almost colorless; abdomen with creeping welts with rough under-surface; 4 blunt anal lobes...

Dolichopodid_thm.jpg
Dolichopodid_02_thm.jpg
DOLICHOPODIDAE

Mandibles swing inwards, closing towards each other like "pincers"; abdomen ending with 5 or 6 well-developed fleshy lobes.

Tipula_thm.jpg

LEVEL V
Rear (posterior) end with 2 long fleshy lobes that look like "rabbit ears"...

Pedicia_thm.jpg
Antocha_thm.jpg

LEVEL V
Abdomen with conspicuous prolegs or welts...

Dicranota_02_thm.jpg

LEVEL V
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