Region 1: EPA New England
Logan Brook - Invertebrates
| Invertebrates | Estimated Count* |
|---|---|
| Agnetina | 30 |
| Apatania | 150 |
| Baetidae | 240 |
| Baetis | 90 |
| Cheumatopsyche | 150 |
| Chironomidae (pupae) | 150 |
| Corynoneura | 30 |
| Cricotopus/Orthocladius | 30 |
| Dolophilodes | 180 |
| Drunella | 60 |
| Eurylophella | 120 |
| Ferrissia | 540 |
| Ferrissia rivularis | 450 |
| Goera | 30 |
| Heptageniidae | 150 |
| Hexatoma | 30 |
| Lanthus | 60 |
| Lepidostoma | 480 |
| Leptophlebiidae | 210 |
| Leuctridae | 60 |
| Lumbriculidae | 240 |
| Nematoda | 60 |
| Oulimnius | 540 |
| Phaenopsectra | 60 |
| Pisidium | 30 |
| Plecoptera | 30 |
| Polypedilum angulum | 120 |
| Polypedilum aviceps | 240 |
| Polypedilum flavum | 30 |
| Potthastia gaedii grp. | 30 |
| Promoresia | 180 |
| Rhagovelia | 30 |
| Rheocricotopus | 30 |
| Rheotanytarsus | 60 |
| Simulium | 30 |
| Sphaeriidae | 30 |
| Stempellinella | 120 |
| Stenonema vicarium | 30 |
| Tanytarsus | 1290 |
| Thienemannimyia grp. | 120 |
| Tipulidae | 30 |
| Trichoptera | 30 |
| Tvetenia bavarica grp. | 30 |
*Estimated number based on a subsampling multiplier.
Total stream area sampled is 4 square meters.