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

West Nishnabotna River Malvern

Invert Sampling Session #11209

Session Data

Sample Date
8/7/2024
Sampling Gear
Qualitative
Lab ID Number
2476291
Sample Quality
Good
Created Date
3/5/2025 3:27:43 PM
Last Update
4/4/2025 9:01:42 AM

Qualitative Benthic Habitat Inventory

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 27
  • Total individuals collected 207
Scientific Name Order Family Common Name # Collected
Acroneuria Plecoptera Perlidae Common Stoneflies 1
Argia Odonata Coenagrionidae Narrowwinged Damselflies 5
Attaneuria ruralis Plecoptera Perlidae Common Stoneflies 6
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 6
Caenis hilaris Ephemeroptera Caenidae Small Squaregill Mayflies 2
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 14
Coptotomus loticus Coleoptera Dytiscidae Predaceous Diving Beetles 1
Corixidae Hemiptera Corixidae Water Boatmen 2
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 1
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 19
Gomphus Odonata Gomphidae Clubtail Dragonflies 6
Hetaerina Odonata Calopterygidae Broadwinged Damselflies 11
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 44
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 40
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 4
Macronychus glabratus Coleoptera Elmidae Riffle Beetles 10
Nectopsyche candida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 12
Rhagovelia Hemiptera Veliidae Broad-Shouldered Water Striders 4
Stenelmis Coleoptera Elmidae Riffle Beetles 1
Stylurus Odonata Gomphidae Clubtail Dragonflies 1
Trichocorixa Hemiptera Corixidae Water Boatmen 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 9
Veliidae Hemiptera Veliidae Broad-Shouldered Water Striders 1

= Excluded from taxa count metrics

Notes: