Jump to main content.


Medomak River - Invertebrates

Invertebrates Estimated Count*
Amnicola limosa 265
Baetidae 159
Baetis 371
Brachycentrus 583
Calopterygidae 106
Ceraclea 53
Chimarra 53
Chironomidae (pupae) 53
Chironomini 53
Coenagrionidae 159
Cricotopus 53
Cricotopus/Orthocladius 53
Empididae pupa 53
Ephemerellidae 159
Ferrissia 106
Hemerodromia 424
Heptageniidae 318
Hyalella azteca 53
Hydrobiidae 53
Hydropsychidae 159
Hydroptila 159
Lepidostoma 106
Lumbriculidae 53
Lymnaeidae 53
Micrasema 212
Microtendipes rydalensis grp. 1219
Nilotanypus 159
Oecetis 106
Orthocladiinae 53
Parakiefferiella 53
Pentaneura 53
Phaenopsectra 53
Physa 53
Pisidium 106
Planariidae 53
Polycentropodidae 106
Polypedilum angulum 53
Polypedilum flavum 530
Polypedilum illinoense 106
Promoresia 106
Psephenus herricki 212
Rheocricotopus 53
Rheotanytarsus 1113
Simulium 212
Sperchon 53
Sphaeriidae 477
Sphaerium 106
Stempellinella 106
Stenelmis 1643
Tanytarsus 212
Thienemanniella 53
Tricorythodes 53
Tvetenia 1590
Tvetenia bavarica grp. 583
Tvetenia discoloripes grp. 371
Unniella 53
Valvata 53

*Estimated number based on a subsampling multiplier.

Total stream area sampled is 4 square meters. 

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


Local Navigation


Jump to main content.