TABLE 5
BENTHIC MACROINVERTEBRATE TAXA LIST
RAMBO RUN AND UNNAMED TRIBUTARIES, YORK COUNTY
BROAD RUN, CHESTER COUNTY
OCTOBER 21, 22, 28 AND NOVEMBER 12, 1998

Relative abundance* of benthic macroinvertebrates collected at Candidate Stations RR1- RR10 and Reference Stations BR1 and BR2

BR2

PLECOPTERA (Stoneflies)

 Capnidae -  (immature)

R

R

 Capnidae Allocapnia sp.

R

A

C

P

VA

 Chloroperlidae Sweltsa sp.

C

R

R

 Chloroperlidae Utaperla sp.

R

 Leuctridae Leuctra sp.

P

 Nemouridae Soyedina sp.

R

 Peltoperlidae Peltoperla/Tallaperla sp.

R

C

P

P

R

R

C

R

 Perlidae Acroneuria sp.

A

A

A

A

A

C

A

R

R

P

 Perlidae Agnetina sp.

R

R

A

 Perlidae Attaneuria sp.

R

 Perlidae Eccoptura sp.

R

R

C/A

P

 Perlidae Paragnetina sp.

P

P

C

P

P

P

 Perlodidae Isoperla sp.

R

P

A

C

 Taeniopterygidae Strophopteryx sp.

R

 Taeniopterygidae Taeniopteryx sp.

P

P

C

EPHEMEROPTERA (Mayflies)

 Baetidae -

P

 Baetidae Acentrella sp.

C

A

P

C

C

C

P

R

P

R

 Baetidae Baetis sp.

P

P

R

A

A

C

R

C/A

A

C

P

 Baetidae Centroptilum sp.

R

 Ephemerellidae Ephemerella sp.

P

A

A

P

A

C

VA

VA

C/A

C

 Ephemerellidae Eurylophella sp.

R

R

R

P

 Ephemerellidae Drunella sp.

R

 Ephemerellidae Serratella sp.

R

C

 Heptageniidae Epeorus sp.

R

P

R

A

C

C

P

 Heptageniidae Leucrocuta sp.

P

C

P

 Heptageniidae Stenonema sp.

A

A

A

C

A

A

VA

A

VA

A

A

A

 Isonychidae Isonychia sp.

P

C

A

C

A

A

A

VA

C

C

 Leptophlebiidae Paraleptophlebia sp.

R

R

A

C

A

A

VA

C

C

TRICHOPTERA (Caddisflies)

 Glossosomatidae Glossosoma sp.

C/A

A

C

P

R

P

R

P

C

 Goeridae Goera sp.

R

 Hydropsychidae Cheumatopsyche sp.

A

A

A

R

A

A

VA

A

A

A

A

P

 Hydropsychidae Diplectrona sp.

R

VA

A

C

P

VA

C

 Hydropsychidae Hydropsyche sp.

A

A

A

C

A

VA

A

A

A

A

VA

A

 Hydroptilidae Hydroptila sp.

R

R

 Hydroptilidae Leucotrichia sp.

R

 Lepidostomatidae Lepidostoma sp.

R

 Leptoceridae Mystacides  sp.

R

 Limnephilidae Hydatophylax sp.

R

R

 Limnephilidae Pycnopsyche sp.

P

 Philopotamidae Chimarra sp.

R

C

VA

 Philopotamidae Dolophilodes sp.

C

C

A

P

A

VA

A

A

A

C

A

A

 Polycentropidae Nyctiophylax sp.

R

R

 Polycentropidae Polycentropus sp.

R

 Psychomyiidae Lype sp.

R

 Psychomyiidae Psychomyia sp.

P

R

P

R

 Rhyacophilidae Rhyacophila sp.

C

P

R

C

P

C

C

A

P

P

 Uenoidae Neophylax sp.

R

R

DIPTERA (True Flies)

 Athericidae Atherix sp.

R

P

R

 Ceratapogonidae Probezzia sp.

R

P

P

P

 Chironomidae -

C

P

P

C

P

P

A

C

P

P

A

A

 Simuliidae Simulium sp.

R

R

R

P

P

P

P

P

C

R

 Tipulidae Antocha sp.

P

C

P

R

R

C

P

P

 Tipulidae Dicranota sp.

R

P

 Tipulidae Hexatoma sp.

R

 R

 Tipulidae Pseudolimnophila sp.

R

R

 Tipulidae Tipula sp.

C

R

P

A

C

P/C

R

R

P

P

C

P

COLEOPTERA (Beetles)

 Dryopidae Helichus sp.

R

R

 Elmidae Dubiraphia sp.

R

R

 Elmidae Macronychus sp.

R

 Elmidae Optioservus sp.

A

A

A

A

A

C

VA

A

C

A

A

A

 Elmidae Oulimnius sp.

R

R

P

R

R

R

P

P

 Elmidae Promoresia sp.

R

A

C/A

P

 Elmidae Stenelmis sp.

R

P

P

R

 Psephenidae Ectopria sp.

R

P

R

R

P

C

 Psephenidae Psephenus sp.

R

P

P

R

P

R

P

 Ptilodactylidae Ancytarsus sp.

A

A

C/A

ODONATA (Dragonflies/Damselflies)

 Aeshnidae Boyeria sp.

R

 Gomphidae -

R

R

P

 Gomphidae Lanthus sp.

R

P

 Gomphidae Stylogomphus sp.

R

P

R

MEGALOPTERA

 Corydalidae Nigronia sp.

C

P

P

P

C

C

P

P

R

C

P

 Sialidae Sialis sp.

R

R

P

NON-INSECT TAXA

 Ancylidae Ferrissia sp.

R

 Cambaridae -

R

R

R

 Crangonyctidae -

R

 Oligochaeta -

P

R

C

P

C

P

P

 Physidae -

R

R

P

 Planariidae

R

R

P

P

 Sphaeriidae -

P

R

R

R

P

C

Total Number of Taxa

26

26

26

33

31

31

38

32

27

32

29

38