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 #115

Session Data

Sample Date
9/20/1995
Sampling Gear
Hess
Lab ID Number
563659
Sample Quality
Unspecified
Created Date
6/21/2006 12:00:00 AM
Last Update
3/24/2015 9:26:41 AM

Semi-Quantitative Sampling

Replicate Number
1
Dominant Form Periphyton
No Data
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
No Data
Sedimentation/Embededness
No Data
Colonization
No Data
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 22
  • Total individuals collected 120
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 9
Acentrella turbida Ephemeroptera Baetidae Small Minnow Mayflies 6
Atherix Diptera Athericidae Aquatic Snipe Flies 1
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 12
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 29
Bivalvia Mussels and Clams 4
Ceratopsyche bronta Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 6
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 6
Chimarra obscura Trichoptera Philopotamidae Fingernet Caddisflies 4
Girardia tigrina Tricladida Dugesiidae Flatworms 5
Hexatoma Diptera Tipulidae Crane Flies 3
Hydropsyche betteni Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 1
Labiobaetis propinquus Ephemeroptera Baetidae Small Minnow Mayflies 6
Maccaffertium mediopunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 9
Oligochaeta Aquatic Worms 2
Ophiogomphus Odonata Gomphidae Clubtail Dragonflies 1
Petrophila Lepidoptera Crambidae Crambid Moths 3
Simuliidae Diptera Simuliidae Black Flies 1
Stenelmis Coleoptera Elmidae Riffle Beetles 7
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 1

= Excluded from taxa count metrics

Notes: