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

Iowa River Columbus Junction

Invert Sampling Session #2983

Session Data

Sample Date
9/10/2008
Sampling Gear
Qualitative
Lab ID Number
2008034940
Sample Quality
Good
Created Date
1/14/2009 12:00:00 AM
Last Update
8/2/2010 10:40:29 AM

Qualitative Benthic Habitat Inventory

Abundance/
Rank
Substrate Presence
Pool/Glide
Presence
Riffle/Run
1 Fine Sediments
2 Coarse Rock
3 Bedrock/Large Boulders
4 Woody Debris
5 Concrete Riprap
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 31
  • Total individuals collected 112
Scientific Name Order Family Common Name # Collected
Acroneuria abnormis Plecoptera Perlidae Common Stoneflies 7
Ancyronyx variegatus Coleoptera Elmidae Riffle Beetles 1
Argia Odonata Coenagrionidae Narrowwinged Damselflies 6
Atherix Diptera Athericidae Aquatic Snipe Flies 1
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 1
Caenis hilaris Ephemeroptera Caenidae Small Squaregill Mayflies 6
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 9
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 3
Dineutus assimilis Coleoptera Gyrinidae Whirligig Beetles 4
Gomphus Odonata Gomphidae Clubtail Dragonflies 1
Gyrinus analis Coleoptera Gyrinidae Whirligig Beetles 2
Haliplus borealis Coleoptera Haliplidae Crawling Water Beetles 1
Helichus lithophilus Coleoptera Dryopidae Long-Toed Water Beetles 1
Hetaerina Odonata Calopterygidae Broadwinged Damselflies 1
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Hydropsyche orris Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 1
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 21
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 5
Neurocordulia molesta Odonata Corduliidae Greeneyed Skimmers 5
Pentagenia vittigera Ephemeroptera Ephemeridae Common Burrower Mayflies 1
Perlodidae Plecoptera Perlodidae Perlodid Stoneflies 1
Placobdella ornata Rhynchobdellida Glossiphoniidae Leeches 1
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Progomphus obscurus Odonata Gomphidae Clubtail Dragonflies 1
Pteronarcys Plecoptera Pteronarcyidae Giant Stoneflies 1
Stenelmis decorata Coleoptera Elmidae Riffle Beetles 4
Stylurus Odonata Gomphidae Clubtail Dragonflies 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 10

= Excluded from taxa count metrics

Notes: