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

Mill Creek Larrabee

Invert Sampling Session #8496

Session Data

Sample Date
9/19/2017
Sampling Gear
Hess
Lab ID Number
Sample Quality
Poor
Created Date
2/26/2018 7:39:57 AM
Last Update
3/9/2018 7:43:21 AM

Semi-Quantitative Sampling

Replicate Number
3
Dominant Form Periphyton
Filamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
LT
Sedimentation/Embededness
LT
Colonization
LT
Comments

Substrate in riffle not optimal, no colonization for unknown reasons.

Collected Benthic Macroinvertebrates

  • Total taxa collected 17
  • Total individuals collected 102
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 6
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 2
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 1
Ceratopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 11
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 23
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 23
Coenagrionidae Odonata Coenagrionidae Narrowwinged Damselflies 1
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 10
Girardia Tricladida Dugesiidae Flatworms 2
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 12
Hydroptila Trichoptera Hydroptilidae Micro Caddisflies 1
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Oligochaeta Aquatic Worms 1
Stenelmis Coleoptera Elmidae Riffle Beetles 3
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 2

= Excluded from taxa count metrics

Notes: