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

Old Mans Creek Williamstown

Invert Sampling Session #21

Session Data

Sample Date
8/3/1994
Sampling Gear
Qualitative
Lab ID Number
464608
Sample Quality
Unspecified
Created Date
6/9/2006 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
Clay/Hardpan
Fine Sediments
Coarse Rock
Woody Debris
Roots/Undercut Banks
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 24
  • Total individuals collected 127
Scientific Name Order Family Common Name # Collected
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 3
Baetis Ephemeroptera Baetidae Small Minnow Mayflies 2
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 9
Caecidotea Isopoda Asellidae Aquatic Sowbugs 1
Caenis Ephemeroptera Caenidae Small Squaregill Mayflies 3
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 3
Corixidae Hemiptera Corixidae Water Boatmen 4
Dubiraphia Coleoptera Elmidae Riffle Beetles 1
Girardia tigrina Tricladida Dugesiidae Flatworms 1
Gomphus Odonata Gomphidae Clubtail Dragonflies 1
Heptagenia Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Heptagenia elegantula Ephemeroptera Heptageniidae Flatheaded Mayflies 10
Hyalella azteca Amphipoda Talitridae Scuds and sideswimmers 4
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 3
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 4
Nectopsyche Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 1
Placobdella parasitica Rhynchobdellida Glossiphoniidae Leeches 1
Simulium Diptera Simuliidae Black Flies 3
Stenacron interpunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 37
Stenonema Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 22
Tubificidae Haplotaxida Tubificidae Aquatic Worms 1

= Excluded from taxa count metrics

Notes: