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British Plant Gall Society; A Field Guide to Plant Galls of the North East U.S. Archived 2020-11-12 at the Wayback Machine; To Be or Not To Be a Gall: The Story of Strange Growths on Plants Archived 2014-03-21 at the Wayback Machine; Insect Galls Archived 2020-11-09 at the Wayback Machine. Brandeis University "Common oak galls".
3.8 Triozidae Jumping Plant Lice. 4 Hymenoptera. Toggle Hymenoptera subsection. 4.1 Cynipidae Gall wasps. ... Leaf galls. This is a list of insect galls arranged into ...
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 ...
P. macrosporus galls on a petiole and mid-rib of A. podagraria The gall develops as a chemically induced swelling, arising from the surface of the leaf lamina, veins, mid-ribs, and petiole. On the leaf lamina it forms yellowish bulges standing out on the upper surface, but missing the black sori that are typical of an otherwise similar gall ...
Plant Galls in Colour. Poole: Blandford Press. ISBN 0-7137-0748-8. Hancy, Rex (2000). The Study of Plant Galls in Norfolk. Norfolk & Norwich Naturalists' Society. Redfern, Margaret & Shirley, Peter (2011). British Plant Galls. Identification of Galls on Plants and Fungi. Shrewsbury: FSC Publications. ISBN 978 1 85153 284 1.
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 ...
Cola-nut gall cut open to show the unilocular cavity Oak marble galls showing two stunted and two normal-sized examples. The galls are found in small groups, which however do not coalesce, helping to prevent mis-identification with the oak marble gall (Andricus kollari), in addition the shape is ovoid rather than spherical and it is scaly rather than smooth.
Diplolepis rosae is a gall wasp which causes a gall known as the rose bedeguar gall, bedeguar gall wasp, Robin's pincushion, mossy rose gall, or simply moss gall. [ 1 ] [ 2 ] The gall develops as a chemically induced distortion of an unopened leaf axillary or terminal bud, mostly on field rose ( Rosa arvensis ) or dog rose ( Rosa canina ) shrubs.