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

Wapsipinicon River Troy Mills (REMAP #65)

Invert Sampling Session #9962

Session Data

Sample Date
9/23/2020
Sampling Gear
Floating Artificial Substrate
Lab ID Number
1943120
Sample Quality
Good
Created Date
3/9/2022 11:00:30 AM
Last Update
4/14/2023 8:52:42 AM

Semi-Quantitative Sampling

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

The river was too low to for our boat to access the site, but too deep at the site (it is the upper end of an impoundment) to wade.

Collected Benthic Macroinvertebrates

  • Total taxa collected 12
  • Total individuals collected 109
Scientific Name Order Family Common Name # Collected
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 2
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 16
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 37
Hemerodromia Diptera Empididae Dance Flies 1
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 27
Hydropsyche orris Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 3
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 3
Naididae Haplotaxida Naididae Aquatic Worms 3
Pteronarcys pictettii Plecoptera Pteronarcyidae Giant Stoneflies 1

= Excluded from taxa count metrics

Notes: