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

East Nishnabotna River Riverton (REMAP #400)

Invert Sampling Session #11159

Session Data

Sample Date
9/24/2024
Sampling Gear
Qualitative
Lab ID Number
2501190
Sample Quality
Good
Created Date
2/20/2025 9:42:47 AM
Last Update
2/21/2025 9:08:13 AM

Qualitative Benthic Habitat Inventory

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 23
  • Total individuals collected 130
Scientific Name Order Family Common Name # Collected
Argia Odonata Coenagrionidae Narrowwinged Damselflies 11
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 27
Corixidae Hemiptera Corixidae Water Boatmen 8
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 2
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 9
Gomphus Odonata Gomphidae Clubtail Dragonflies 1
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 4
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 25
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 1
Laccophilus maculosus Coleoptera Dytiscidae Predaceous Diving Beetles 2
Maccaffertium Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 3
Macronychus glabratus Coleoptera Elmidae Riffle Beetles 1
Nectopsyche candida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 4
Oligochaeta Aquatic Worms 1
Physa Basommatophora Physidae Physid Snails 4
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Rhagovelia Hemiptera Veliidae Broad-Shouldered Water Striders 7
Simulium Diptera Simuliidae Black Flies 1
Trichocorixa Hemiptera Corixidae Water Boatmen 11
Tropisternus lateralis Coleoptera Hydrophilidae Giant Water Scavenger Beetles 1
Tropisternus natator Coleoptera Hydrophilidae Giant Water Scavenger Beetles 3

= Excluded from taxa count metrics

Notes: