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

Beaver Creek Cedar Falls

Invert Sampling Session #8815

Session Data

Sample Date
8/19/2019
Sampling Gear
Artificial Substrate
Lab ID Number
854881
Sample Quality
Good
Created Date
11/14/2019 9:56:14 AM
Last Update
2/26/2020 1:44:37 PM

Semi-Quantitative Sampling

Replicate Number
3
Dominant Form Periphyton
Nonfilamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MH
Sedimentation/Embededness
MD
Colonization
MD
Comments

Artificial substrates 3 and 4 were half buried in sand and combined to create this sample.

Collected Benthic Macroinvertebrates

  • Total taxa collected 18
  • Total individuals collected 98
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 2
Amercaenis ridens Ephemeroptera Caenidae Small Squaregill Mayflies 1
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 7
Brachycentrus numerosus Trichoptera Brachycentridae Humpless Case Maker Caddisflies 10
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 6
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 39
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 1
Hemerodromia Diptera Empididae Dance Flies 1
Heptagenia flavescens Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 16
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 2
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Macronychus glabratus Coleoptera Elmidae Riffle Beetles 1
Neureclipsis Trichoptera Polycentropodidae Trumpetnet and Tubemaking Caddisflies 2
Oligochaeta Aquatic Worms 3
Pteronarcys pictettii Plecoptera Pteronarcyidae Giant Stoneflies 2
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 1

= Excluded from taxa count metrics

Notes: