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

Bear Creek Shellsburg

Invert Sampling Session #8356

Session Data

Sample Date
8/14/2017
Sampling Gear
Qualitative
Lab ID Number
551143
Sample Quality
Good
Created Date
1/25/2018 10:34:23 AM
Last Update
4/3/2025 1:40:34 PM

Qualitative Benthic Habitat Inventory

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 49
  • Total individuals collected 265
Scientific Name Order Family Common Name # Collected
Aeshna umbrosa Odonata Aeshnidae Darner Dragonflies 1
Argia Odonata Coenagrionidae Narrowwinged Damselflies 4
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 12
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 5
Belostoma flumineum Hemiptera Belostomatidae Giant Water Bugs 1
Boyeria vinosa Odonata Aeshnidae Darner Dragonflies 6
Brachycentrus numerosus Trichoptera Brachycentridae Humpless Case Maker Caddisflies 1
Caenis latipennis Ephemeroptera Caenidae Small Squaregill Mayflies 5
Calopteryx Odonata Calopterygidae Broadwinged Damselflies 2
Cambaridae Decapoda Cambaridae Crayfishes 1
Ceratopsyche bronta Trichoptera Hydropsychidae Common Netspinner Caddisflies 66
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 9
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 8
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 1
Dubiraphia quadrinotata Coleoptera Elmidae Riffle Beetles 1
Enochrus pygmaeus Coleoptera Hydrophilidae Giant Water Scavenger Beetles 4
Gammarus Amphipoda Gammaridae Scuds and sideswimmers 11
Girardia Tricladida Dugesiidae Flatworms 1
Gomphurus fraternus Odonata Gomphidae Clubtail Dragonflies 1
Gyrinus Coleoptera Gyrinidae Whirligig Beetles 1
Helichus lithophilus Coleoptera Dryopidae Long-Toed Water Beetles 4
Helichus striatus Coleoptera Dryopidae Long-Toed Water Beetles 3
Helicopsyche borealis Trichoptera Helicopsychidae Snailcase Maker Caddisflies 14
Heptagenia elegantula Ephemeroptera Heptageniidae Flatheaded Mayflies 3
Hetaerina Odonata Calopterygidae Broadwinged Damselflies 4
Hydropsyche betteni Trichoptera Hydropsychidae Common Netspinner Caddisflies 13
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 7
Labiobaetis propinquus Ephemeroptera Baetidae Small Minnow Mayflies 3
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 7
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 17
Macronychus glabratus Coleoptera Elmidae Riffle Beetles 5
Nectopsyche diarina Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 1
Nixe inconspicua Ephemeroptera Heptageniidae Flatheaded Mayflies 3
Physa Basommatophora Physidae Physid Snails 4
Procloeon Ephemeroptera Baetidae Small Minnow Mayflies 1
Pteronarcys Plecoptera Pteronarcyidae Giant Stoneflies 1
Ranatra fusca Hemiptera Nepidae Water Scorpions 2
Scirtidae Coleoptera Scirtidae Marsh Beetles 1
Sperchopsis tessellata Coleoptera Hydrophilidae Giant Water Scavenger Beetles 4
Sphaeriidae Veneroida Sphaeriidae Fingernail clams 2
Stenacron interpunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 7
Stenelmis Coleoptera Elmidae Riffle Beetles 2
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 7
Trichocorixa Hemiptera Corixidae Water Boatmen 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 3
Trombidiformes Trombidiformes Water Mites 1
Tropisternus Coleoptera Hydrophilidae Giant Water Scavenger Beetles 1

= Excluded from taxa count metrics

Notes: