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

Winnebago River Mason City - US1

Invert Sampling Session #5524

Session Data

Sample Date
8/7/2012
Sampling Gear
Qualitative
Lab ID Number
Sample Quality
Good
Created Date
10/28/2013 12:49:09 PM
Last Update
4/3/2025 1:40:29 PM

Qualitative Benthic Habitat Inventory

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 55
  • Total individuals collected 193
Scientific Name Order Family Common Name # Collected
Acroneuria abnormis Plecoptera Perlidae Common Stoneflies 3
Agnetina capitata Plecoptera Perlidae Common Stoneflies 3
Anthopotamus myops Ephemeroptera Potamanthidae Hacklegilled Burrower Mayflies 10
Argia Odonata Coenagrionidae Narrowwinged Damselflies 2
Atherix Diptera Athericidae Aquatic Snipe Flies 6
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 1
Belostomatidae Hemiptera Belostomatidae Giant Water Bugs 1
Brachycentrus numerosus Trichoptera Brachycentridae Humpless Case Maker Caddisflies 3
Caenis hilaris Ephemeroptera Caenidae Small Squaregill Mayflies 2
Cambaridae Decapoda Cambaridae Crayfishes 1
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 2
Coenagrion/Enallagma Odonata Coenagrionidae Narrowwinged Damselflies 3
Corixidae Hemiptera Corixidae Water Boatmen 1
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 9
Culicidae Diptera Culicidae Mosquitoes 1
Dineutus assimilis Coleoptera Gyrinidae Whirligig Beetles 2
Enallagma Odonata Coenagrionidae Narrowwinged Damselflies 1
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 1
Faxonius virilis Decapoda Cambaridae Crayfishes 1
Girardia Tricladida Dugesiidae Flatworms 3
Gomphurus fraternus Odonata Gomphidae Clubtail Dragonflies 1
Helichus lithophilus Coleoptera Dryopidae Long-Toed Water Beetles 3
Helicopsyche borealis Trichoptera Helicopsychidae Snailcase Maker Caddisflies 4
Hexagenia limbata Ephemeroptera Ephemeridae Common Burrower Mayflies 3
Hyalella Amphipoda Talitridae Scuds and sideswimmers 2
Hydropsyche phalerata Trichoptera Hydropsychidae Common Netspinner Caddisflies 5
Hydropsyche placoda Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Hydroptila Trichoptera Hydroptilidae Micro Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 12
Leptoceridae Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 4
Libellula pulchella Odonata Libellulidae Skimmer Dragonflies 7
Liodessus affinis Coleoptera Dytiscidae Predaceous Diving Beetles 1
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 4
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 11
Macronychus glabratus Coleoptera Elmidae Riffle Beetles 3
Nectopsyche candida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 2
Nectopsyche diarina Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 1
Oecetis avara Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 4
Palmacorixa Hemiptera Corixidae Water Boatmen 6
Perlinella drymo Plecoptera Perlidae Common Stoneflies 1
Physa Basommatophora Physidae Physid Snails 3
Plauditus Ephemeroptera Baetidae Small Minnow Mayflies 1
Polycentropus Trichoptera Polycentropodidae Trumpetnet and Tubemaking Caddisflies 6
Pycnopsyche Trichoptera Limnephilidae Northern Case Maker Caddisflies 6
Ranatra fusca Hemiptera Nepidae Water Scorpions 1
Rhagovelia Hemiptera Veliidae Broad-Shouldered Water Striders 1
Scirtidae Coleoptera Scirtidae Marsh Beetles 1
Sialis Megaloptera Sialidae Alderflies 3
Stenacron interpunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 9
Stenelmis Coleoptera Elmidae Riffle Beetles 5
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 3
Stenelmis grossa Coleoptera Elmidae Riffle Beetles 4
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 4

= Excluded from taxa count metrics

Notes: