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

Volga River Maynard - Twin Bridges County Park

Invert Sampling Session #114

Session Data

Sample Date
9/20/1995
Sampling Gear
Qualitative
Lab ID Number
563662
Sample Quality
Unspecified
Created Date
6/21/2006 12:00:00 AM
Last Update
4/11/2019 11:02:27 AM

Qualitative Benthic Habitat Inventory

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 53
  • Total individuals collected 227
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 3
Agnetina capitata Plecoptera Perlidae Common Stoneflies 3
Anopheles Diptera Culicidae Mosquitoes 3
Argia Odonata Coenagrionidae Narrowwinged Damselflies 4
Atherix Diptera Athericidae Aquatic Snipe Flies 1
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 1
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 26
Bivalvia Mussels and Clams 2
Boyeria Odonata Aeshnidae Darner Dragonflies 4
Brachycentrus numerosus Trichoptera Brachycentridae Humpless Case Maker Caddisflies 2
Calopteryx Odonata Calopterygidae Broadwinged Damselflies 4
Ceratopsyche bronta Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 11
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Chimarra obscura Trichoptera Philopotamidae Fingernet Caddisflies 16
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 4
Coenagrionidae Odonata Coenagrionidae Narrowwinged Damselflies 7
Corixidae Hemiptera Corixidae Water Boatmen 3
Erpobdella microstoma Arhynchobdellida Erpobdellidae Leeches 1
Faxonius Decapoda Cambaridae Crayfishes 1
Gerridae Hemiptera Gerridae Water Striders 1
Glossiphoniidae Rhynchobdellida Glossiphoniidae Leeches 1
Gomphus Odonata Gomphidae Clubtail Dragonflies 3
Helichus lithophilus Coleoptera Dryopidae Long-Toed Water Beetles 4
Helicopsyche borealis Trichoptera Helicopsychidae Snailcase Maker Caddisflies 9
Hetaerina Odonata Calopterygidae Broadwinged Damselflies 2
Hyalella azteca Amphipoda Talitridae Scuds and sideswimmers 2
Hydropsyche betteni Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Hydropsyche dicantha Trichoptera Hydropsychidae Common Netspinner Caddisflies 4
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 3
Labiobaetis Ephemeroptera Baetidae Small Minnow Mayflies 3
Leucrocuta Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Liodessus affinis Coleoptera Dytiscidae Predaceous Diving Beetles 1
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium mediopunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 21
Maccaffertium pulchellum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Oligochaeta Aquatic Worms 1
Paragnetina Plecoptera Perlidae Common Stoneflies 2
Peltodytes edentulus Coleoptera Haliplidae Crawling Water Beetles 1
Physidae Basommatophora Physidae Physid Snails 14
Plathemis lydia Odonata Libellulidae Skimmer Dragonflies 2
Polycentropus Trichoptera Polycentropodidae Trumpetnet and Tubemaking Caddisflies 4
Pteronarcys Plecoptera Pteronarcyidae Giant Stoneflies 1
Rhagovelia Hemiptera Veliidae Broad-Shouldered Water Striders 1
Saldidae Hemiptera Saldidae Shore Bugs 1
Sigara Hemiptera Corixidae Water Boatmen 3
Simulium Diptera Simuliidae Black Flies 1
Sperchopsis tessellata Coleoptera Hydrophilidae Giant Water Scavenger Beetles 1
Stenacron interpunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 18
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 4
Trichoptera Trichoptera Caddisflies 2
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 1

= Excluded from taxa count metrics

Notes: