Howerdon Creek Winterset
Invert Sampling Session #11586
Session Data
Sample Date
8/20/2025
Sampling Gear
Surber
Lab ID Number
2703491
Sample Quality
Good
Created Date
2/10/2026 10:15:08 AM
Last Update
2/20/2026 1:07:36 PM
Semi-Quantitative Sampling
Replicate Number
2
Dominant Form Periphyton
Filamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MD
Sedimentation/Embededness
LT
Colonization
MD
Series using this session:
Comments
Riffle had low colonization, possibly from high flow event in mid-July.
Collected Benthic Macroinvertebrates
- Total taxa collected 12
- Total individuals collected 124
| Scientific Name | Order | Family | Common Name | # Collected | |
|---|---|---|---|---|---|
| Baetidae | Ephemeroptera | Baetidae | Small Minnow Mayflies | 2 | |
| Baetis intercalaris | Ephemeroptera | Baetidae | Small Minnow Mayflies | 31 | |
| Cheumatopsyche | Trichoptera | Hydropsychidae | Common Netspinner Caddisflies | 9 | |
| Chironomidae | Diptera | Chironomidae | Non-Biting Midges, Midges | 40 | |
| Fallceon quilleri | Ephemeroptera | Baetidae | Small Minnow Mayflies | 2 | |
| Girardia | Tricladida | Dugesiidae | Flatworms | 2 | |
| Hydropsyche betteni | Trichoptera | Hydropsychidae | Common Netspinner Caddisflies | 3 | |
| Hydropsychidae | Trichoptera | Hydropsychidae | Common Netspinner Caddisflies | 12 | |
| Hydroptila | Trichoptera | Hydroptilidae | Micro Caddisflies | 1 | |
| Simulium | Diptera | Simuliidae | Black Flies | 17 | |
| Stenelmis | Coleoptera | Elmidae | Riffle Beetles | 4 | |
| Stenelmis crenata | Coleoptera | Elmidae | Riffle Beetles | 1 |
= Excluded from taxa count metrics