Stream Redesignation Evaluation Report
Water Quality Standards Review

UNNAMED TRIBUTARY CHESTER CREEK
DELAWARE COUNTY

Segment: basin
Drainage list: G
Stream code: 00595

TABLE 4
Benthic Macroinvertebrate Results
UNT Chester Creek, Delaware County
April 21, 1999

TAXA

STATION

3UCC

R1

Ephemeroptera (mayflies)

   

Baetidae; Acentrella

 

R

Baetis

P

 

Ephemerellidae; Ephemerella

VA

VA

Eurylophella

P

 

Drunella

 

VA

Serratella

 

P

Heptageniidae; Epeorus

P

C

Stenonema

A

C

Leptophlebiidae; Habrophlebiodes

P

 

Ameletidae; Ameletus

P

 

Plecoptera (stoneflies)

   

Leuctridae; Leuctra

 

R

Nemouridae; Amphinemoura

C

P

Perlidae; Acroneuria

C

A

Paragnetina

 

P

Eccoptera

P

 

Perlesta

 

R

Tricoptera (caddisflies)

   

Brachycentridae; Micrasema

 

P

Glossosomatidae; Agapetus

R

P

Glossosoma

 

P

Hydroptilidae; Leucotrichia

 

R

Hydropsychidae; Cheumatopsyche

C

 

Diplectrona

C

 

Hydropsyche

A

A

Lepidostomatidae; Lepidostoma

 

P

Limnophilidae; Pycnopsyche

R

 

Philopotamidae; Chimarra

R

P

Psychomiidae; Psychomyia

 

P

Rhyacophilidae; Rhyacophila

P

R

Uenoidae; Neophylax

R

 

Diptera (true flies)

   

Blephariceridae; Blepharicera

 

A

Empididae; Clinocera

P

P

Simuliidae; Simulium

P

P

Prosimulium

P

 

Tabanidae; Chrysops

R

 

Tipulidae; Antocha

 

C

Tipula

C

 

Chironomidae

VA

A

Megaloptera

   

Corydalidae; Nigronia

P

R

Sialidae; Sialis

 

R

Odonata (dragon-, damselflies)

   

Calopterigidae: Calopteryx

R

 

Gomphidae

 

P

Stylogomphus

P

 

Lepidoptera (moths)

   

Pyralidae; Petrophila

 

P

Coleoptera (aquatic beetles)

   

Dryopidae; Helichus

P

 

Elmidae; Optioservus

C

P

Oulimnius

P

 

Promoresia

 

P

Stenelmis

R

R

Psephenidae; Psephenus

P

C

Ptilodactylidae; Anchytarsus

P

 

Non-Insect Taxa

   

Turbellaria (flat worms)

   

Cura

R

 

Oligochaeta

   

Lumbricidae

C

P

Gastropoda (univalves, snails)

   

Ancylidae; Ferrissia

 

P

Number of taxa in total sample

35

35

 

R=rare (<3 organisms); P=present (3-9 oganisms); C=common (10-24 organisms);

A=abundant (25-99 organisms); VA=very abundant (>99 organisms)

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