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

Thompson Fork - Grand River Davis City

Invert Sampling Session #5331

Session Data

Sample Date
7/19/2012
Sampling Gear
Qualitative
Lab ID Number
45088
Sample Quality
Good
Created Date
10/18/2013 9:17:17 AM
Last Update
3/30/2015 10:50:38 AM

Qualitative Benthic Habitat Inventory

Abundance/
Rank
Substrate Presence
Pool/Glide
Presence
Riffle/Run
1 Coarse Rock
2 Fine Sediments
3 Concrete Riprap
4 Filamentous Algae
5 Bedrock/Large Boulders
Woody Debris
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 34
  • Total individuals collected 450
Scientific Name Order Family Common Name # Collected
Acroneuria Plecoptera Perlidae Common Stoneflies 1
Argia Odonata Coenagrionidae Narrowwinged Damselflies 23
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 1
Berosus peregrinus Coleoptera Hydrophilidae Giant Water Scavenger Beetles 3
Caenis hilaris Ephemeroptera Caenidae Small Squaregill Mayflies 27
Callibaetis Ephemeroptera Baetidae Small Minnow Mayflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 54
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 32
Coenagrionidae Odonata Coenagrionidae Narrowwinged Damselflies 6
Corixidae Hemiptera Corixidae Water Boatmen 96
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 11
Dineutus assimilis Coleoptera Gyrinidae Whirligig Beetles 1
Girardia Tricladida Dugesiidae Flatworms 1
Helichus lithophilus Coleoptera Dryopidae Long-Toed Water Beetles 8
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 33
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 4
Limnephilidae Trichoptera Limnephilidae Northern Case Maker Caddisflies 1
Maccaffertium Ephemeroptera Heptageniidae Flatheaded Mayflies 35
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 14
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 4
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 9
Macronychus glabratus Coleoptera Elmidae Riffle Beetles 1
Nectopsyche candida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 28
Palmacorixa Hemiptera Corixidae Water Boatmen 9
Physa Basommatophora Physidae Physid Snails 8
Placobdella ornata Rhynchobdellida Glossiphoniidae Leeches 1
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Stenacron interpunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Stenelmis Coleoptera Elmidae Riffle Beetles 3
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 2
Trichocorixa Hemiptera Corixidae Water Boatmen 6
Trichoptera Trichoptera Caddisflies 7
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 13

= Excluded from taxa count metrics

Notes: