''Cynips douglasii'', the spined turbaned gall wasp, is a species of

gall wasp Gall wasps, also incorrectly called gallflies, are hymenopterans of the family Cynipidae in the wasp superfamily Cynipoidea. Their common name comes from the galls they induce on plants for larval development. About 1,300 species of this generall ...

in the family

Cynipidae Gall wasps, also incorrectly called gallflies, are hymenopterans of the family Cynipidae in the wasp superfamily Cynipoidea. Their common name comes from the galls they induce on plants for larval development. About 1,300 species of this genera ...

. It induces galls in valley oaks,

blue oak ''Quercus douglasii'', known as blue oak, is a species of oak endemic to (and found only in) California, common in the Coast Ranges and the foothills of the Sierra Nevada. It is California's most drought-tolerant deciduous oak, and is a dominan ...

, and scrub oaks. These galls are noted for their spines and can be white, purple, or pink. They can be up to 15 mm high and 10 mm wide. For the unisexual generation, female adult wasps emerge from the galls in January and February. The smaller bisexual generation emerges in spring and produces rounder galls.

References

External links

* Cynipidae {{apocrita-stub