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It is found in North America, where it induces galls on a variety of oak trees, including Oregon oak, valley oak, California scrub oak, blue oak, [1] [2] and leather oak. [3] Like other oak gall wasps, it has two generations: a bisexual generation, and a parthenogenetic female generation. The all-female generation's galls appear in late spring ...
Andricus confertus, the convoluted gall wasp, is a fairly common species of cynipid wasp that produces galls on oak trees in California in North America. This gall, with its pink, brain-like appearance, is actually a cluster of galls. [1] In summer, parthenogenetic female larvae induce these galls on the underside of valley oak leaves, along ...
Dryocosmus minusculus is an abundant species of cynipid wasp that produces galls on oak trees in California in North America. [1] [2] Commonly known as the pumpkin gall wasp, the wasp oviposits on the leaves of Quercus agrifolia, Quercus wislizenii, and Quercus kelloggii. In spring and summer, larvae induce round galls reaching 1 mm across.
Neuroterus fragilis, also known as the succulent gall wasp, is a species of oak gall wasp. It induces galls in oak trees in California, including leather oak, California scrub oak, blue oak, and valley oak. [1] [2] Adults are small, 0.7–1.2 millimetres (0.028–0.047 in), with yellow legs. [3]
Andricus quercuscalifornicus can induce and inhabit the galls of a variety of oak species, but they are primarily found in the galls of the Valley Oak. Due to this, they are usually found in areas such as riparian forests, open foothill woodlands, valley savannas, plant groves, and suburban areas. The wasps typically induce galls on the twigs ...
Dryocosmus dubiosus is an abundant species of cynipid wasp that produces galls on oak trees in California in North America. [1] [2] Commonly known as the two-horned gall wasp, the wasp oviposits on the leaves and catkins of coast live oaks and interior live oaks. [1] After the eggs hatch, the resulting gall form looks like it has a set of bull ...
Callirhytis serricornis, formerly Andricus serricornis, the kernel flower gall wasp, is a species of hymenopteran that produces galls on oak trees in California in North America. The wasp oviposits on coast live oak and interior live oak and induces a gall shaped roughly like a bottle or vase. The gall is brown in the first generation, and red ...
Besbicus maculosus, formerly Andricus maculosus and Cynips maculosa, also known as the pear gall wasp, is an uncommon species of cynipid wasp that induces galls on oak trees on the west coast of North America. [1] The wasp oviposits on leather oak and scrub oak leaves. [1] Fresh galls are green. [1] This wasp has been observed in California. [2]