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

Thompson Fork - Grand River Davis City

Invert Sampling Session #10415

Session Data

Sample Date
8/3/2022
Sampling Gear
Surber
Lab ID Number
2147548
Sample Quality
Good
Created Date
2/28/2023 12:27:30 PM
Last Update
3/2/2023 10:19:48 AM

Semi-Quantitative Sampling

Replicate Number
2
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 16
  • Total individuals collected 100
Scientific Name Order Family Common Name # Collected
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 4
Caenis hilaris Ephemeroptera Caenidae Small Squaregill Mayflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 18
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 10
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 15
Helicopsyche borealis Trichoptera Helicopsychidae Snailcase Maker Caddisflies 1
Heptageniidae Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 17
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 13
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 2
Lepidoptera Lepidoptera Moths, Butterflies 1
Leptoceridae Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 3
Nectopsyche candida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 2
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 1

= Excluded from taxa count metrics

Notes: