Electronic field guide to AQUATIC MACROINVERTEBRATES of SMALL STREAMS in Eastern Massachusetts
Body soft, shaped like a bowling-pin; head with pair of fan-like structures; circle of tiny hooks at rear end of body…SIMULIIDAE (Blackflies)
Simulium
Body slightly flattened and leathery, with several long, stiff hairs; head elongate and fully exposed...STRATIOMYIIDAE (Sandflies)
Nemotelus
Body long and thin; false legs (prolegs) at rear and sometimes up near the head...
CHIRONOMIDAE (Midges)
Abdomen with several pairs of prolegs on underside, each tipped with clusters of tiny hooks (crochets); 1 to 4 anal lobes tipped with hairs
EMPIDIDAE (Danceflies)
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