Class

Order

Family

Genus

Species

Common name

Habitat, Ecoregion, Country and/or Location

Source

Native? (Y/N)

Migratory/Breeding Status: Year round
(Y) or Seasonal (S)

Threatened status?

Date 1st and last collected.

Important Fish Prey?

Important Predator?

Important Pollinator?

Important Prey?

Other Important Functions?

Notes

Arachnida

Acari

Subfamily = Hydrocarinae

aquatic mites

Riffle samples in Clackamas tributaries and Tualatin River Basin

Jeff Adams, Xerces Society

Arachnida

Araneae

Agelenidae

Tegenaria

agrestis

House spider, Funnel weaver

Matthew Shepherd, Xerces Society

X

Araneidae

Argiope

aurantia

Black & yellow garden spider

Tualatin Hills Nature Park

Matthew Shepherd, Xerces Society

X

Clubionidae

Cheiracanthium

sp

Yellow sac spider

Matthew Shepherd, Xerces Society

X

Linyphiidae

Linyphia

marginata

Filmy dome spider

Matthew Shepherd, Xerces Society

X

Lycosidae

Lycosa

sp.

Wolf spider

Matthew Shepherd, Xerces Society

X

Pholcidae

Pholcus

phalangioides

Ghost spider, Daddy long legs

Matthew Shepherd, Xerces Society

X

Salticidae

Dendryphantes

sp. (aestivalis?)

Jumping spider

Matthew Shepherd, Xerces Society

X

Salticidae

Marptusa

sp. (familiaris?)

Jumping spider

Matthew Shepherd, Xerces Society

X

Salticidae

Salticus

scenicum

Zebra spider

Matthew Shepherd, Xerces Society

X

Thomisidae

Misumena

vatia

Red-spotted crab spider

Tualatin Hills Nature Park

Matthew Shepherd, Xerces Society

X

Thomisidae

Tibellus

spp

Crab spider

Matthew Shepherd, Xerces Society

X

Arachnida

Opiliones

suborder = Palpatores

Harvestmen, Daddy Long Legs

Tualatin Hills Nature Park

Matthew Shepherd, Xerces Society

X

Species feed on living insects, dead insects, snails, plants,

Arachnida

Pseudoscorpiones

Pseudoscorpion

Tualatin Hills Nature park

Matthew Shepherd, Xerces Society

X