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Amphibolips confluenta, known generally as the spongy oak apple gall wasp, is a species of gall wasp in the family Cynipidae. [ 1 ] [ 2 ] Its range includes Ontario , Quebec , and much of the eastern United States .
The common spangle gall on the underside of leaves and the currant gall on the male catkins or occasionally the leaves, develop as chemically induced distortions on pedunculate oak (Quercus robur), or sessile oak (Quercus petraea) trees, caused by the cynipid wasp [1] Neuroterus quercusbaccarum which has both agamic and bisexual generations.
Leaf galls. This is a list of ... Amphibolips confluenta Spongy Oak Apple Gall Wasp; Amphibolips cookii Oak Apple Gall Wasp; ... Holopothrips tabebuiae trumpet tree;
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Although nearly spherical, the galls often have a number of little flattened nodules. The rounded growths are filled with a spongy mass and a single wasp larva is located in a hard, seed-like cell in the centre. [7] The word 'marble' derives from the gall's shape, which is a marble-like rounded structure.
Andricus foecundatrix (formerly Andricus fecundator) is a parthenogenetic gall wasp which lays a single egg within a leaf bud, using its ovipositor, to produce a gall known as an oak artichoke gall, oak hop gall, larch-cone gall or hop strobile [1] [2] The gall develops as a chemically induced distortion of leaf axillary or terminal buds on pedunculate oak (Quercus robur) or sessile oak ...
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The galls of Neuroterus numismalis parthenogenetic generation on Quercus robur leaf Neuroterus is a genus of gall wasps that induce galls on oaks in which the wasp larvae live and feed. Some species produce galls that fall off the host plant and 'jump' along the ground due to the movement of the larvae within.