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

Thompson Fork - Grand River Davis City

Invert Sampling Session #10417

Session Data

Sample Date
8/3/2022
Sampling Gear
Qualitative
Lab ID Number
2147550
Sample Quality
Good
Created Date
2/28/2023 12:27:30 PM
Last Update
3/2/2023 10:23:07 AM

Qualitative Benthic Habitat Inventory

Abundance/
Rank
Substrate Presence
Pool/Glide
Presence
Riffle/Run
1 Fine Sediments
2 Coarse Rock
3 Bedrock/Large Boulders
4 Clay/Hardpan
5 Leaf/Detritus Packs
Woody Debris
Streambank Vegetation
Roots/Undercut Banks
Filamentous Algae
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 37
  • Total individuals collected 194
Scientific Name Order Family Common Name # Collected
Acroneuria Plecoptera Perlidae Common Stoneflies 3
Argia Odonata Coenagrionidae Narrowwinged Damselflies 9
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 1
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 1
Belostoma Hemiptera Belostomatidae Giant Water Bugs 1
Caenidae Ephemeroptera Caenidae Small Squaregill Mayflies 1
Caenis hilaris Ephemeroptera Caenidae Small Squaregill Mayflies 2
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 35
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 3
Corixidae Hemiptera Corixidae Water Boatmen 2
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 12
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 1
Gomphus Odonata Gomphidae Clubtail Dragonflies 3
Heptagenia flavescens Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Heptageniidae Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 21
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 18
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 7
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 26
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Macromia Odonata Corduliidae Greeneyed Skimmers 1
Nectopsyche candida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 10
Notonecta Hemiptera Notonectidae Backswimmers 1
Oligochaeta Aquatic Worms 1
Palmacorixa Hemiptera Corixidae Water Boatmen 4
Physa Basommatophora Physidae Physid Snails 2
Pisidiidae Veneroida Pisidiidae Pea Clams 1
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Progomphus Odonata Gomphidae Clubtail Dragonflies 1
Ranatra Hemiptera Nepidae Water Scorpions 1
Stenacron interpunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 11
Stylurus Odonata Gomphidae Clubtail Dragonflies 1
Trichocorixa Hemiptera Corixidae Water Boatmen 1
Trichoptera Trichoptera Caddisflies 3

= Excluded from taxa count metrics

Notes: