Jump to main content or area navigation.

Contact Us

Region 1: EPA New England

Great Swamp Brook - Invertebrates

Invertebrates Estimated Count*
Agarodes 16
Amnicola limosa 16
Amphipoda 16
Ancylidae 32
Attenella 32
Baetidae 32
Capniidae 80
Ceraclea 32
Cheumatopsyche 48
Chimarra 224
Chloroperlidae 16
Cricotopus/Orthocladius 16
Cryptochironomus 16
Dicranota 16
Diplectrona 16
Diplocladius 32
Dolophilodes 16
Ephemerellidae 64
Eukiefferiella 160
Gastropoda 16
Heptageniidae 240
Hydropsyche 80
Hydroptila 16
Lepidostoma 48
Leptophlebiidae 368
Limnephilidae 16
Limnophyes 16
Microtendipes pedellus grp. 48
Microtendipes rydalensis grp. 48
Nemouridae 16
Nigronia serricornis 48
Oecetis 80
Parametriocnemus 112
Perlodidae 48
Phaenopsectra 16
Pisidium 16
Planariidae 48
Polycentropus 16
Polypedilum aviceps 80
Promoresia 464
Psephenidae 16
Psephenus herricki 64
Pycnopsyche 32
Sialis 16
Simulium 16
Sperchonopsis 16
Stenelmis 16
Stenonema 48
Stenonema modestum 32
Tanytarsus 256
Thienemannimyia grp. 96
Tipula 16
Tipulidae 16

*Estimated number based on a subsampling multiplier.
Total stream area sampled is 4 square meters.


Serving Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont, & 10 Tribal Nations

Jump to main content.