rose galls

Member of gall wasps and allies (superfamily Cynipoidea)
wasps
insects (class Insecta)
hexapods (subphylum Hexapoda)
arthropods (phylum Arthropoda)
animals (kingdom Animalia)
galls

So far the only rose galls I have observed are ones that form on california wild rose (Rosa californica).

spiny leaf gall wasp
Diplolepis polita

spiny leaf gall wasp
Diplolepis polita

forms on the upper leaf surfaces of california wild rose (Rosa californica)

teardrop gall wasp
Diplolepis inconspicuis

teardrop gall wasp
Diplolepis inconspicuis

forms in place of buds on branches of california wild rose (Rosa californica)

Periclistus pirata

Periclistus pirata

takes over the galls of nodular gall wasp (Diplolepis nodulosa) and thus indirectly forms within branches of california wild rose (Rosa californica)

nodular gall wasp
Diplolepis nodulosa

forms within branches of california wild rose (Rosa californica)
parasitized by Periclistus pirata

3 observed taxons / 1 unobserved taxon / 1 key

Chris’s observations: 10 (8 are research grade)

Locations:

Pinnacles NP: 2
Castle Rock SP
Edgewood Park & Natural Preserve
Hidden Villa, Los Altos Hills
Nisene Marks SP
Pescadero Creek CP
Santa Teresa CP
Stevens Creek CP
Wunderlich CP

Months:

Apr.: 2
May: 3
Jun.: 1
Jul.: 2
Aug.: 0
Sep.: 0
Oct.: 2

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