Howerdon Creek Winterset
Invert Sampling Session #11585
Session Data
Sample Date
8/20/2025
Sampling Gear
Surber
Lab ID Number
2703490
Sample Quality
Good
Created Date
2/10/2026 10:15:08 AM
Last Update
2/20/2026 1:05:45 PM
Semi-Quantitative Sampling
Replicate Number
1
Dominant Form Periphyton
Filamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MD
Sedimentation/Embededness
MD
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 16
- Total individuals collected 128
| Scientific Name | Order | Family | Common Name | # Collected | |
|---|---|---|---|---|---|
| Baetidae | Ephemeroptera | Baetidae | Small Minnow Mayflies | 2 | |
| Baetis intercalaris | Ephemeroptera | Baetidae | Small Minnow Mayflies | 28 | |
| Cheumatopsyche | Trichoptera | Hydropsychidae | Common Netspinner Caddisflies | 6 | |
| Chironomidae | Diptera | Chironomidae | Non-Biting Midges, Midges | 43 | |
| Corydalus | Megaloptera | Corydalidae | Dobsonflies, Fishflies, Hellgrammites | 1 | |
| Fallceon quilleri | Ephemeroptera | Baetidae | Small Minnow Mayflies | 3 | |
| Girardia | Tricladida | Dugesiidae | Flatworms | 2 | |
| Helicopsyche borealis | Trichoptera | Helicopsychidae | Snailcase Maker Caddisflies | 1 | |
| Hemerodromia | Diptera | Empididae | Dance Flies | 1 | |
| Hydropsyche betteni | Trichoptera | Hydropsychidae | Common Netspinner Caddisflies | 1 | |
| Hydropsychidae | Trichoptera | Hydropsychidae | Common Netspinner Caddisflies | 3 | |
| Hydroptila | Trichoptera | Hydroptilidae | Micro Caddisflies | 2 | |
| Hydroptilidae | Trichoptera | Hydroptilidae | Micro Caddisflies | 6 | |
| Simulium | Diptera | Simuliidae | Black Flies | 16 | |
| Sphaeriidae | Veneroida | Sphaeriidae | Fingernail clams | 3 | |
| Stenelmis | Coleoptera | Elmidae | Riffle Beetles | 10 |
= Excluded from taxa count metrics