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 #116

Session Data

Sample Date
9/20/1995
Sampling Gear
Hess
Lab ID Number
563660
Sample Quality
Unspecified
Created Date
6/21/2006 12:00:00 AM
Last Update
7/22/2013 1:32:15 PM

Semi-Quantitative Sampling

Replicate Number
2
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 23
  • Total individuals collected 87
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 4
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 4
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 7
Bivalvia Mussels and Clams 2
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 6
Chimarra obscura Trichoptera Philopotamidae Fingernet Caddisflies 11
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 5
Girardia tigrina Tricladida Dugesiidae Flatworms 3
Hemerodromia Diptera Empididae Dance Flies 1
Hydropsyche betteni Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Hydropsyche dicantha Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 3
Labiobaetis propinquus Ephemeroptera Baetidae Small Minnow Mayflies 4
Maccaffertium mediopunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 10
Oligochaeta Aquatic Worms 2
Optioservus Coleoptera Elmidae Riffle Beetles 1
Paragnetina Plecoptera Perlidae Common Stoneflies 1
Plauditus cestus Ephemeroptera Baetidae Small Minnow Mayflies 1
Simulium Diptera Simuliidae Black Flies 1
Stenelmis Coleoptera Elmidae Riffle Beetles 11
Stenonema Ephemeroptera Heptageniidae Flatheaded Mayflies 5

= Excluded from taxa count metrics

Notes: