Results 211 to 220 of about 867,065 (253)
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Plant Tolerance of Gall-Insect Attack and Gall-Insect Performance
Ecology, 1996We examined plant tolerance of gall—insect attack and gall—insect performance in rosinweed (Silphium integrifolium, Asteraceae) and its apical meristem galler Antistrophus silphii (Hymenoptera: Cynipidae). Gall densities were varied in field rosinweed populations, while gall densities, water, and nutrients were varied for rosinweed in an experimental ...
Philip A Fay, Alan K. Knapp
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Recent Progress Regarding the Molecular Aspects of Insect Gall Formation
International Journal of Molecular Sciences, 2021 Galls are characteristic plant structures formed by cell size enlargement and/or cell proliferation induced by parasitic or pathogenic organisms. Insects are a major inducer of galls, and insect galls can occur on plant leaves, stems, floral buds ...
Masa H. Sato +2 more
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Ecological Entomology, 2020
1. Insect galls are abnormal plant growths that develop in response to a stimulus provided by a galling insect. The nutrition hypothesis suggests that the concentrations of nutritive compounds in galls are changed to provide optimum nutrition for the ...
Xiao-Hui Yang +2 more
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1. Insect galls are abnormal plant growths that develop in response to a stimulus provided by a galling insect. The nutrition hypothesis suggests that the concentrations of nutritive compounds in galls are changed to provide optimum nutrition for the ...
Xiao-Hui Yang +2 more
semanticscholar +1 more source
Benefits of photosynthesis for insects in galls
Oecologia, 2012Insect-induced plant galls are predominantly reputed to act as strong carbon sinks, although many types of galls contain chlorophyll and have the potential to photosynthesize. We investigated whether the photosynthetic capacity of bud galls induced by a Pteromalid wasp, Trichilogaster acaciaelongifoliae, in Acacia longifolia subsidises carbon budgets ...
S A, Haiden, J H, Hoffmann, M D, Cramer
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Proceedings of the Royal Society of Edinburgh. Section B. Biological Sciences, 1992
SynopsisA provisional species list for the insects galling willow in Britain is presented. Aspects of willow biology which may be important in gall-insect species diversity are briefly discussed and the process of gall formation is reviewed for one species of willow-galling sawfly.
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SynopsisA provisional species list for the insects galling willow in Britain is presented. Aspects of willow biology which may be important in gall-insect species diversity are briefly discussed and the process of gall formation is reviewed for one species of willow-galling sawfly.
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Comparative Biochemistry and Physiology Part A: Physiology, 1983
Abstract 1. 1.Galls are abnormal swellings of plant tissue caused by insects, bacteria, fungi, mites, and nematodes. Galls form due to the abnormal growth of plant cells and take on characteristic sizes, shapes and colors. 2. 2.Gall tissue is formed in response to a specific stimulus received from an invading organism.
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Abstract 1. 1.Galls are abnormal swellings of plant tissue caused by insects, bacteria, fungi, mites, and nematodes. Galls form due to the abnormal growth of plant cells and take on characteristic sizes, shapes and colors. 2. 2.Gall tissue is formed in response to a specific stimulus received from an invading organism.
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Adaptive Nature of Insect Galls
Environmental Entomology, 1987Major hypotheses on the adaptive significance of insect gall formation are reviewed: nonadaptive, plant protection, mutual benefit, nutrition, microenvironment, and enemy hypotheses. We evaluate the validity of each, and find the first three to be without merit because galls clearly have adaptive features for the insect, but few if any for the plant ...
Peter W. Price +2 more
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Fungus-insect gall of Phlebopus portentosus
Mycologia, 2015Phlebopus portentosus is a popular edible wild mushroom found in the tropical Yunnan, China, and northern Thailand. In its natural habitats, a gall often has been found on some plant roots, around which fungal fruiting bodies are produced. The galls are different from common insect galls in that their cavity walls are not made from plant tissue but ...
Chun-Xia, Zhang +8 more
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Are Gall Insects Large Rhizobia?
Oikos, 1999Plants are subject to attack by a range of insect herbivores including those producing galls. Gall formation is a remarkable process in which the insect becomes the new organiser of plant development: normal cellular differentiation is inhibited, and the growth of the tissue is altered to produce characteristic and often bizarre structures (Meyer 1987,
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Gall Insect Menace in Eucalyptus
Indian Journal of Forestry, 2016Altogether about 920 species of insects recorded from Eucalyptus worldwide, about six species are gall insects. Of these, Leptocybe invasa, is a major nursery pest of Eucalyptus, exclusively responsible for gall formation in seedlings and saplings, including coppice shoots. The insect has threatened Eucalyptus propagation in nursery stage.
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