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

Little Sioux River Milford

Invert Sampling Session #10072

Session Data

Sample Date
7/19/2021
Sampling Gear
Qualitative
Lab ID Number
1763683
Sample Quality
Good
Created Date
3/28/2022 12:53:56 PM
Last Update
4/3/2025 1:50:41 PM

Qualitative Benthic Habitat Inventory

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 36
  • Total individuals collected 309
Scientific Name Order Family Common Name # Collected
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 1
Caenis hilaris Ephemeroptera Caenidae Small Squaregill Mayflies 2
Caenis latipennis Ephemeroptera Caenidae Small Squaregill Mayflies 2
Callibaetis Ephemeroptera Baetidae Small Minnow Mayflies 1
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 26
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 60
Coenagrion/Enallagma Odonata Coenagrionidae Narrowwinged Damselflies 3
Corixidae Hemiptera Corixidae Water Boatmen 11
Girardia Tricladida Dugesiidae Flatworms 2
Heteroceridae Coleoptera Heteroceridae Variegated Mud-Loving Beetles 3
Hyalella Amphipoda Talitridae Scuds and sideswimmers 25
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Hydropsyche placoda Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 12
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 6
Labiobaetis propinquus Ephemeroptera Baetidae Small Minnow Mayflies 1
Laccophilus maculosus Coleoptera Dytiscidae Predaceous Diving Beetles 2
Libellula Odonata Libellulidae Skimmer Dragonflies 1
Nectopsyche candida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 12
Nectopsyche diarina Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 1
Paracloeodes minutus Ephemeroptera Baetidae Small Minnow Mayflies 1
Physa Basommatophora Physidae Physid Snails 17
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Procloeon Ephemeroptera Baetidae Small Minnow Mayflies 2
Pteronarcys pictettii Plecoptera Pteronarcyidae Giant Stoneflies 1
Ranatra Hemiptera Nepidae Water Scorpions 1
Scirtidae Coleoptera Scirtidae Marsh Beetles 6
Sigara Hemiptera Corixidae Water Boatmen 11
Staphylinidae Coleoptera Staphylinidae Rove Beetles 1
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 23
Stenelmis grossa Coleoptera Elmidae Riffle Beetles 8
Stylurus Odonata Gomphidae Clubtail Dragonflies 1
Trichocorixa Hemiptera Corixidae Water Boatmen 12
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 41

= Excluded from taxa count metrics

Notes: