THE XERCES SOCIETY FOR INVERTEBRATE CONSERVATION

Aquatic Invertebrates in Pacific Northwest Freshwater Wetlands
An Identification Guide and Educational Resource

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  HomeWetlandsPacific Northwest wetland taxa
 

Below is a list of taxa found in Riverine Impounding wetlands in the Willamette Valley of Oregon in a pilot study conducted by The Xerces Society in May of 2007. All invertebrates were identified by Aquatic Biology Associates, Inc. (outside link).

 
Phylum Class Order Family Genus/species/other Common name
leech
Annelida Clitellata Hirudinea Erpobdellidae Leeches
leech
Annelida Clitellata Hirudinea Glossiphoniidae Helobdella Leeches
Annelida Clitellata (subclass Oligochaeta)     Oligochaete worms, aquatic earthworms
Arthropoda Branchiopoda Cladocera Chydoridae water fleas
Arthropoda Insecta Coleoptera Dytiscidae predaceous diving beetles
Arthropoda Insecta Coleoptera Elmidae Optioservus riffle beetles
Arthropoda Insecta Coleoptera Haliplidae Peltodytes crawling water beetles
Arthropoda Insecta Coleoptera Hydrophilidae
Berosus
water scavenger beetles
Arthropoda Insecta Diptera Ceratopogonidae
Ceratopogoninae,
Dasyhelea
biting midges
Arthropoda Insecta Diptera Chaoboridae
Chaoborus
phantom midges


Arthropoda Insecta Diptera Chironomidae
Ablabesmyia
Brillia
Chironomus
Cladopelma
Corynoneura
Cricotopus
Cricotopus Bicinctus Group
Cryptochironomus
Dicrotendipes
Endochironomus
Heterotrissocladius
Labrundinia
Limnophyes
Microchironomus
Micropsectra
Microtendipes
Odontomesa
Orthocladius Complex
Parachironomus
Parakiefferiella
Paralauterborniella
Paratanytarsus
Paratendipes
Phaenopsectra
Polypedilum
Procladius
Psectrocladius
Psectrotanypus
Pseudochironomus
Tanytarsus
Thienmannimyia Complex
midges
Arthropoda Insecta Diptera Culicidae mosquitoes
Arthropoda Insecta Diptera Dixidae
Dixella
dixid midges
Arthropoda Insecta Diptera Ephydridae shore flies
Arthropoda Insecta Diptera Tabanidae horse and deer flies
Arthropoda Insecta Diptera Tipulidae
Tipula (Angarotipula)
crane flies
Arthropoda Insecta Ephemeroptera Ephemerellidae
Ephemerella excrusians
Eurylophella lodi
spiny crawler mayflies
Arthropoda Insecta Ephemeroptera Leptohyphidae
Tricorythodes minutus
little stout crawlers
Arthropoda Insecta Ephemeroptera Ephemeridae
Hexagenia
common burrower mayflies
Arthropoda Insecta Ephemeroptera Baetidae
Callibaetis
Procloeon
small minnow mayflies
Arthropoda Insecta Ephemeroptera Caenidae
Caenis youngi
small square-gill mayflies
Arthropoda Insecta Ephemeroptera Leptophlebiidae pronggill mayflies
Arthropoda Insecta Ephemeroptera Siphlonuridae
Siphlonurus columbianus
primitive minnow mayflies
Arthropoda Insecta Hemiptera Corixidae water boatmen
Arthropoda Insecta Hemiptera Gerridae
Gerris
water striders
Arthropoda Insecta Hemiptera Notonectidae
Notonecta
backswimmers
Arthropoda Insecta Megaloptera Sialidae
Sialis
alderflies
Arthropoda Insecta Odonata Aeshnidae
Anax
darners
Arthropoda Insecta Odonata Coenagrionidae
Coenagrion/Enallagma
narrow-winged damselflies
Arthropoda Insecta Odonata Lestidae
Lestes
spreadwinged damselflies
Arthropoda Insecta Odonata Libellulidae common skimmers
Arthropoda Insecta Trichoptera Hydroptilidae
Hydroptila
Oxyethira
micro caddisflies or purce case makers
Arthropoda Insecta Trichoptera Hydropsychidae
Cheumatopsyche
common net-spinners
Arthropoda Insecta Trichoptera Lepidostomatidae
Lepidostoma
lepidostomatid case makers
Arthropoda Insecta Trichoptera Leptoceridae
Mystacides
Oecetis
long-horned case makers
Arthropoda Insecta Trichoptera Limnephilidae
Limnephilus
northern case makers
Arthropoda Malacostraca Amphipoda Crangonyctidae Crangonyx scuds
Arthropoda Malacostraca Amphipoda Hyalellidae Hyalella scuds
Arthropoda Malacostraca Decapoda Cambaridae Orconectes crayfish
Arthropoda Malacostraca Isopoda Asellidae Caecidotea occidentalis sowbugs
Arthropoda Maxillopoda (subclass copepoda)     copepods
Arthropoda Ostracoda  
Candoniidae
seed shrimp
Cnidaria Hydrozoa Hydroida Hydridae Hydra hydra
Mollusca Bivalvia Veneroida Pisidiidae or Sphaeriidae
Musculium
Pisidium
Sphaerium
fingernail clams, pea clams
Mollusca Gastropoda   Ancylidae
Ferrissia
limpets
Mollusca Gastropoda   Lymnaeidae
Lymnaea
pond snails
Mollusca Gastropoda   Physidae
Physa
left-handed snails, tadpole snails
Mollusca Gastropoda   Planorbidae
Gyraulus
Menetus opercularis
Helisoma trivolvis
planorbid snails
Nemata   Nematoda   Nematodes
Platyhelminthes Turbellaria     flatworms
Porifera       sponges
   
 
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