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

Beaver Creek Cedar Falls

Invert Sampling Session #8814

Session Data

Sample Date
8/19/2019
Sampling Gear
Artificial Substrate
Lab ID Number
854880
Sample Quality
Good
Created Date
11/14/2019 9:56:14 AM
Last Update
2/26/2020 1:41:18 PM

Semi-Quantitative Sampling

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 23
  • Total individuals collected 100
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 1
Amercaenis ridens Ephemeroptera Caenidae Small Squaregill Mayflies 1
Ancyronyx variegatus Coleoptera Elmidae Riffle Beetles 1
Atherix Diptera Athericidae Aquatic Snipe Flies 1
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 3
Brachycentrus numerosus Trichoptera Brachycentridae Humpless Case Maker Caddisflies 9
Caenis hilaris Ephemeroptera Caenidae Small Squaregill Mayflies 1
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 18
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 20
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 1
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 3
Heptagenia flavescens Ephemeroptera Heptageniidae Flatheaded Mayflies 5
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 10
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 4
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 11
Macronychus glabratus Coleoptera Elmidae Riffle Beetles 2
Ochrotrichia Trichoptera Hydroptilidae Micro Caddisflies 1
Oligochaeta Aquatic Worms 2
Pteronarcys pictettii Plecoptera Pteronarcyidae Giant Stoneflies 1
Simulium Diptera Simuliidae Black Flies 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 2

= Excluded from taxa count metrics

Notes: