Macroinvertebrate Data
PWD Macroinvertebrate Assessment Sites
KML file of all PWD (RBP III) benthic macroinvertebrate sites with number of individuals collected by taxa at each site.
Macroinvertebrates Found in Philadelphia Area Rivers and Streams
| Family | Genus | Common Name | Feeding1 | Tolerance2 |
adult
Beetles |
Ancyronyx | Riffle Beetle | O | 2 |
| Berosus | Water Scavenger | SH | 5 | |
| Curculionidae (family) | Weevils/Snout Beetles | SH | 6 | |
| Dineutus | Whirligig | PR | 4 | |
| Dubiraphia | Riffle Beetle | CG | 6 | |
| Ectopria | Water Penny | SC | 5 | |
| Helophorus | Water Beetles | SH | 5 | |
| Ilybius | Predaceous Diving Beetle | PR | 5 | |
| Macronychus | Riffle Beetle | O | 2 | |
| Optioservus | Riffle Beetle | SC | 4 | |
| Promoresia | Riffle Beetle | SC | 2 | |
| Psephenus | Water Penny | SC | 4 | |
| Stenelmis | Riffle Beetle | SC | 5 | |
 Bivalves (Veneroida) |
Corbiculidae (family) | Basket Clams | FC | 4 |
adult
Caddisflies |
Agraylea | Freeliving Micro Caddisfly | SC | 8 |
| Brachycentrus | Humpless Case Making Caddisfly | FC | 1 | |
| Cheumatopsyche | Common Netspinning Caddisfly | FC | 6 | |
| Chimarra | Fingernet Spinning Caddisfly | FC | 4 | |
| Diplectrona | Common Netspinning Caddisfly | FC | 0 | |
| Dolophilodes | Fingernet Spinning Caddisfly | CG | 0 | |
| Glossosoma | Saddle Case Building Caddisfly | SC | 0 | |
| Helicopsyche | Snail Case Making Caddisfly | SH | 3 | |
| Hydropsyche | Common Netspinning Caddisfly | FC | 5 | |
| Hydroptila | Freeliving Micro Caddisfly | SC | 6 | |
| Leucotrichia | Freeliving Micro Caddisfly | SC | 6 | |
| Micrasema | Humpless Case Making Caddisfly | SH | 2 | |
| Neophylax | Northern Case Making Caddisfly | SC | 3 | |
| Nyctiophylax | Tube Making Caddisfly | FC | 5 | |
| Ochrotrichia | Freeliving Micro Caddisfly | SC | 6 | |
| Pseudostenophylax | Northern Case Making Caddisfly | SH | 0 | |
| Rhyacophila | Freeliving Caddisfly | PR | 1 | |
 Crustaceans (Crustacea) |
Caecidotea | Freshwater Isopods | CG | 6 |
| Cambaridae (family) | Freshwater Crayfish | CG | 6 | |
| Gammaridae (family) | Amphipods | CG | 6 | |
| Stygobromus | Amphipods | CG | 4 | |
adult
Damselflies & Dragonflies |
Amphiagrion | Red Damsels | PR | 5 |
| Argia | Dancers | PR | 6 | |
| Boyeria | Darners | PR | 2 | |
| Calopteryx | Jewelwings | PR | 6 | |
| Cordulegaster | Spiketails | PR | 3 | |
| Nehalennia | Sprites | PR | 2 | |
| Ophiogomphus | Snaketails | PR | 1 | |
| Progomphus | Sanddragons | PR | 5 | |
| Stylogomphus | Clubtails | PR | 4 | |
 Flatworms (Seriata) |
Cura | Planarians | O | 7 |
| Planariidae (family) | Planarians | O | 9 | |
adult
Flies & Midges |
Antocha | Craneflies | CG | 3 |
| Atherix | Watersnipe Flies | PR | 2 | |
| Ceratopogon | Biting Midges | PR | 6 | |
| Ceratopogonidae (family) | Biting Midges | PR | 6 | |
| Chauliodes | Fishflies | PR | 4 | |
| Chironomus | Non-biting Midges | CG | 10 | |
| Clinocera | Aquatic Dance Flies | PR | 6 | |
| Corydalus | New World Dobsonflies | PR | 4 | |
| Ephydridae (family) | Shore Flies | CG | 6 | |
| Hemerodromia | Dance Flies | CG | 6 | |
| Muscidae (family) | House Flies | PR | 6 | |
| Nemotelus | Solider Flies | CG | 8 | |
| Nigronia | Dark Fishflies | PR | 2 | |
| Odontomyia | Solider Flies | CG | 7 | |
| Prosimulium | Black Flies | FC | 2 | |
| Sialis | Alderflies | PR | 6 | |
| Simulium | Black Flies | FC | 6 | |
| Stegopterna | Black Flies | FC | 6 | |
| Tabanidae (family) | Horse Flies | PR | 6 | |
| Threticus | Moth Flies | CG | 10 | |
| Tipula | Crane Flies | SH | 4 | |
adult
Mayflies |
Ameletus | Combmouthed Minnow Mayflies | CG | 0 |
| Attenella | Spiny Crawlers | CG | 2 | |
| Baetis | Small Minnow Mayflies | CG | 6 | |
| Caenis | Small Squaregills | CG | 7 | |
| Callibaetis | Small Minnow Mayflies | CG | 9 | |
| Dannela | Spiny Crawlers | -- | 2 | |
| Drunella | Spiny Crawlers | SC | 1 | |
| Epeorus | Flatheaded Mayflies | CG | 0 | |
| Ephemerella | Spiny Crawlers | CG | 1 | |
| Eurylophella | Spiny Crawlers | CG | 4 | |
| Heptagenia | Flatheaded Mayflies | SC | 4 | |
| Isonychia | Brushlegged Mayflies | FC | 3 | |
| Serratella | Flatheaded Mayflies | CG | 2 | |
| Stenacron | Flatheaded Mayflies | SC | 4 | |
| Stenonema | -- | SC | 3 | |
 Snails (Pulmonata) |
Ancylidae (family) | Freshwater Pulmonate Snails | SC | 7 |
| Lymnaeidae (family) | Pond Snails | SC | 7 | |
| Physella | Bladder Snails | SC | 8 | |
| Planorbidae (family) | Ramshorn Snails | SC | 6 | |
| Pleuroceridae (family) | Freshwater Snails | SC | 7 | |
adult
Stoneflies |
Acroneuria | Common Stoneflies | PR | 0 |
| Allocapnia | Small Winter Stoneflies | SH | 3 | |
| Amphinemura | Spring Stoneflies | SH | 3 | |
| Capniidae (family) | Small Winter Stoneflies | SH | 3 | |
| Isoperla | Perlodid Stoneflies | PR | 2 | |
| Oemopteryx | Winter Stoneflies | SH | 3 | |
| Ostrocerca | Spring Stoneflies | CG | 2 | |
| Paragnetina | Common Stoneflies | PR | 1 | |
| Prostoia | Spring Stoneflies | SH | 2 | |
| Strophopteryx | Winter Stoneflies | SH | 3 | |
| Taeniopteryx | Winter Stoneflies | SH | 2 | |
| Tallaperla | Roachlike Stoneflies | SH | 0 | |
 Worms & Leeches (Annelida) |
Erpobdella | Leeches | PA | 8 |
| Lumbriculidae (family) | Freshwater Oligochaete Worms | CG | 8 | |
| Tubificidae (family) | Clitellate Oligochaete Worms | CG | 10 | |
| 1.) Feeding Type Key CG - collector/gatherer; FC - filterer/collector; O - omnivore; PA - parasite PR - predator; SC - scraper; SH - shredder 2.) Tolerance Key 0-10 scale; 0 - most sensitive; 10 - most tolerant |
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