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

Iowa River Marshalltown - US1

Invert Sampling Session #5920

Session Data

Sample Date
9/4/2013
Sampling Gear
Qualitative
Lab ID Number
122062
Sample Quality
Good
Created Date
1/10/2014 11:43:57 AM
Last Update
10/20/2014 8:38:11 AM

Qualitative Benthic Habitat Inventory

Abundance/
Rank
Substrate Presence
Pool/Glide
Presence
Riffle/Run
1 Fine Sediments
2 Woody Debris
3 Concrete Riprap
4 Coarse Rock
5 Leaf/Detritus Packs
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 27
  • Total individuals collected 227
Scientific Name Order Family Common Name # Collected
Argia Odonata Coenagrionidae Narrowwinged Damselflies 7
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 6
Boyeria vinosa Odonata Aeshnidae Darner Dragonflies 1
Caenis hilaris Ephemeroptera Caenidae Small Squaregill Mayflies 2
Ceratopogonidae Diptera Ceratopogonidae Biting Midges, No-See-Ums, Punkies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 18
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 134
Corixidae Hemiptera Corixidae Water Boatmen 2
Girardia Tricladida Dugesiidae Flatworms 1
Gomphidae Odonata Gomphidae Clubtail Dragonflies 1
Gomphus Odonata Gomphidae Clubtail Dragonflies 3
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 4
Limnophora Diptera Muscidae Face Flies, Horn Flies, House Flies 1
Maccaffertium Ephemeroptera Heptageniidae Flatheaded Mayflies 5
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 3
Macronychus glabratus Coleoptera Elmidae Riffle Beetles 2
Nectopsyche candida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 1
Neurocordulia molesta Odonata Corduliidae Greeneyed Skimmers 4
Oligochaeta Aquatic Worms 1
Physa Basommatophora Physidae Physid Snails 2
Pteronarcys Plecoptera Pteronarcyidae Giant Stoneflies 1
Simulium Diptera Simuliidae Black Flies 2
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 1
Stylurus Odonata Gomphidae Clubtail Dragonflies 2
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 20
Veliidae Hemiptera Veliidae Broad-Shouldered Water Striders 1

= Excluded from taxa count metrics

Notes: