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

Thompson Fork - Grand River Davis City

Invert Sampling Session #10416

Session Data

Sample Date
8/3/2022
Sampling Gear
Surber
Lab ID Number
2147549
Sample Quality
Good
Created Date
2/28/2023 12:27:30 PM
Last Update
3/2/2023 10:20:58 AM

Semi-Quantitative Sampling

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 19
  • Total individuals collected 113
Scientific Name Order Family Common Name # Collected
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 2
Caenis hilaris Ephemeroptera Caenidae Small Squaregill Mayflies 3
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 35
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 10
Corixidae Hemiptera Corixidae Water Boatmen 8
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 1
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 9
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 12
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Lepidoptera Lepidoptera Moths, Butterflies 1
Limonia Diptera Tipulidae Crane Flies 2
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Nectopsyche candida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 2
Physa Basommatophora Physidae Physid Snails 1
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 5
Stenelmis Coleoptera Elmidae Riffle Beetles 2
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 2
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 2

= Excluded from taxa count metrics

Notes: