Aceria trichophila

Allokermes galliformis

Andricus brunneus (agamic)

Andricus chrysolepidicola (agamic)

Andricus columbiensis (agamic)

A brown/gray/green gall found on the bud in Fall. Integral to host.

Andricus coortus (agamic)

Andricus occultatus (agamic)

Andricus opertus (agamic)

A brown/tan, ribbed gall found on the bud in Fall. Integral to host.

Andricus opertus (sexgen)

Andricus quercuscalifornicus (agamic)

Andricus schickae (agamic)

Andricus schickae (sexgen)

Andricus verensis (agamic)

Atrusca trimaculosa (agamic)

Bassettia ligni (agamic)

Bassettia ligni (sexgen)

A gall found on the upper leaf/lower leaf/between leaf veins. Integral to host.

Burnettweldia conalis (agamic)

Burnettweldia plumbella (agamic)

Burnettweldia washingtonensis (agamic)

Cynips heldae (agamic)

Cynips mirabilis (agamic)

Cynips mirabilis (sexgen)

A brown/tan, hairless gall found on the bud in Spring. May be detachable or integral.

Dasineura silvestrii

Disholcaspis eldoradensis (agamic)

Disholcaspis eldoradensis (sexgen)

A brown/tan gall found on the bud. Integral to host.

Disholcaspis mellifica (agamic)

Disholcaspis simulata (agamic)

Druon fullawayi (agamic)

Feron albicomus (agamic)

Feron atrimentum (sexgen)

Feron bakkeri (agamic)

Feron crystallinum (agamic)

Feron crystallinum (sexgen)

Feron discularis (agamic)

Feron dumosae (sexgen)

Feron izabellae (agamic)

Feron kingi (agamic)

Feron parmula (agamic)

Feron pattersonae (agamic)

Feron pattersonae (sexgen)

Feron q-garryana-bowl-gall

Feron q-garryana-hair-stalk-gall (sexgen)

Feron q-garryana-plate-gall

Feron rucklei (agamic)

Feron stellare (agamic)

Feron tubifaciens (agamic)

Kermes cockerelli

Kermes rimarum

Loxaulus atrior (agamic)

A gall found on the stem. Integral to host.

Neuroterus quercicola (pacificus) (agamic)

Neuroterus saltatorius (agamic) (saltatorius)

Neuroterus saltatorius (sexgen)

Neuroterus washingtonensis (agamic)

Neuroterus washingtonensis (sexgen)

Phylloteras cupella (agamic)

Phylloxera glabra

Stegophylla essigi

Taphrina caerulescens

Unknown-cynipidae q-douglasii-flange-gall

Unknown-cynipidae q-douglasii-pointed-bud-gall

Unknown-cynipidae q-dumosa-leaf-blister

Unknown-cynipidae q-garryana-flared-base-gall

Unknown-cynipidae q-garryana-hairy-flower-cell

Unknown-cynipidae q-garryana-hazelnut-gall

Unknown-cynipidae q-garryana-open-spindle-gall

Unknown-cynipidae q-garryana-orange-cap-gall

An orange/red gall found on the lower leaf/between leaf veins/leaf edge in Summer. Detachable.

Unknown-cynipidae q-garryana-parenchya-cells

Unknown-cynipidae q-garryana-pip-gall

Unknown-cynipidae q-garryana-smooth-stamen-gall

Unknown-cynipidae white-oak-yellow-bud-gall

Xanthoteras pulchellum (sexgen)

A gall found on the underground (roots+). Detachable.

Xanthoteras teres (agamic)