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Andricus quercusstrobilanus, the lobed oak gall wasp, is a species [1] of gall wasp in the family Cynipidae, [2] found in North America. [3] The quercus in its specific name is the genus name for oak, while "strobilus" is derived from the Greek strobilo which means "cone", a reference to the cone shape of the gall; [4] thus the gall is sometimes called pine cone oak gall.
The reproduction of gall wasps is usually partly parthenogenesis, in which a male is completely unnecessary, and partly two-sex propagation. [2] Most species have alternating generations, with one two-sex generation and one parthenogenic generation annually, whereas some species produce very few males and reproduce only by parthenogenesis, [2] possibly because of infection of the females ...
Atrusca brevipennata, formerly Andricus pellucidus, also known as the little oak-apple gall wasp, is a locally common species of cynipid wasp that produces galls on oak trees in North America. [1] The wasp oviposits on shrub live oak and Gambel oak leaves. [1] The larval chamber is at the center of the gall, connected to the husk by slender ...
Acraspis quercushirta, the jewel oak gall wasp, is a species of gall wasp in the family Cynipidae, [2] [3] tribe Cynipini (oak gall wasps), [4] found in North America. [ 5 ] [ 6 ] Hosts are white oaks , including bur oak , Gambel oak , Chapman oak , swamp chestnut oak , and chestnut oak .
The smallbumps you describe sound like jumping oak galls. Jumping oak galls are caused by a very tiny, native, stingless wasp (Neuroterus sp.) which lays eggs in leaf buds. As the leaf develops ...
[1] [2] The gall is a firm swelling with a scar at the apex and contains several cells, each with a larva. [1] [2] It is initially green but becomes brown and woody as it ages. [1] [2] [5] The galls and timing of the agamic generation are unknown. [3] Parasitoids of the oak petiole gall wasp include the crypt-keeper wasp (Euderus set). [6]
Disholcaspis quercusmamma, the oak rough bulletgall wasp, is a species of gall wasp in the family Cynipidae. [1] The quercus in its name is the genus name for oak , while "mamma" is Latin for "breast", presumably a reference to the "nipple" on the gall .
Acraspis guadaloupensis (also Paracraspis guadaloupensis) is a relatively uncommon species of cynipid wasp that produces galls on intermediate oaks. [1] The intermediate oak disc wasp was first described in 1911 and has been moved between genera more than once. [2] Distribution is limited to California in North America. [3]
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