Iowa DNR
BioNet
River & Stream Biological Monitoring
Fish and Benthic Macroinvertebrate Surveys
Physical Habitat Assessments

Rock Creek Rock Creek

Invert Sampling Session #11048

Session Data

Sample Date
7/17/2024
Sampling Gear
Hess
Lab ID Number
2466900
Sample Quality
Good
Created Date
1/24/2025 9:15:27 AM
Last Update
1/27/2025 11:54:43 AM

Semi-Quantitative Sampling

Replicate Number
2
Dominant Form Periphyton
Nonfilamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MD
Sedimentation/Embededness
LT
Colonization
LT
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 13
  • Total individuals collected 98
Scientific Name Order Family Common Name # Collected
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 2
Ceratopsyche bronta Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 11
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 46
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 19
Helicopsyche borealis Trichoptera Helicopsychidae Snailcase Maker Caddisflies 1
Hemerodromia Diptera Empididae Dance Flies 1
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 5
Hydroptila Trichoptera Hydroptilidae Micro Caddisflies 1
Plauditus dubius Ephemeroptera Baetidae Small Minnow Mayflies 1
Psychomyia flavida Trichoptera Psychomyiidae Net-Tube Caddisflies 1
Simulium Diptera Simuliidae Black Flies 1
Stenelmis Coleoptera Elmidae Riffle Beetles 1

= Excluded from taxa count metrics

Notes: