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

Thompson Fork - Grand River Davis City

Invert Sampling Session #10414

Session Data

Sample Date
8/3/2022
Sampling Gear
Surber
Lab ID Number
2147547
Sample Quality
Good
Created Date
2/28/2023 12:27:30 PM
Last Update
3/2/2023 10:18:36 AM

Semi-Quantitative Sampling

Replicate Number
1
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 18
  • Total individuals collected 110
Scientific Name Order Family Common Name # Collected
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 2
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 4
Caenidae Ephemeroptera Caenidae Small Squaregill Mayflies 2
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 31
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 17
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 1
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 7
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 15
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 10
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 1
Leptoceridae Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 1
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Nectopsyche candida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 1
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Stenelmis Coleoptera Elmidae Riffle Beetles 3
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 2

= Excluded from taxa count metrics

Notes: