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

Thompson River Decatur City

Invert Sampling Session #10330

Session Data

Sample Date
7/28/2022
Sampling Gear
Surber
Lab ID Number
2144113
Sample Quality
Good
Created Date
1/23/2023 3:12:19 PM
Last Update
3/2/2023 9:32:32 AM

Semi-Quantitative Sampling

Replicate Number
1
Dominant Form Periphyton
Nonfilamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
LT
Sedimentation/Embededness
LT
Colonization
MD
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 15
  • Total individuals collected 120
Scientific Name Order Family Common Name # Collected
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 10
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 6
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 43
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 2
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 4
Heptageniidae Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 19
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 10
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 3
Metrobates Hemiptera Gerridae Water Striders 1
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 3

= Excluded from taxa count metrics

Notes: