Leaf galls in our native trees and shrubs

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dc.check.embargoformatNot applicableen
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dc.contributor.advisorRenouf, Louis P. W.en
dc.contributor.authorWalsh, Eileen G.
dc.date.accessioned2014-09-18T11:16:55Z
dc.date.available2014-09-18T11:16:55Z
dc.date.issued1945
dc.date.submitted1945
dc.description.abstractPlant galls constitute a branch of study and research which has been to me a subject of much interest for some time. At the start of this work, it was intended to include Plant galls in general, but after some months this was found to be too comprehensive a field and would in fact take a great many years to study fully. Even leaf galls alone, both of herbs and trees provide so large a field of investigation that ultimately I decided to confine my attention to those or our native trees and shrubs. Upon looking up the literature on this subject, it will be found that in nearly all cases, either the gall is described fully and mere mention made or the agent concerned in its production, or vice versa. This state of things is most unsatisfactory, as in studying galls, both the gall-maker and the gall formation must be examined in detail before it is safe to apply nomenclature. This work, therefore, sets out to give accurate and scientific descriptions of both galls and gall-makers. The difficulties encountered are manifold; firstly, our trees are all deciduous, hence, the collecting period is necessarily restricted to that time of the year between the appearance of the buds and the fall of the leaf. Secondly, the rearing of imagines is always difficult, especially in the case or the autumn gall; more will be said on this matter later. Lastly, due to war-time conditions much trouble was experienced in obtaining suitable literature and many invaluable books on this subject were unprocurable. The Plates at the back have all been copied from original material except in the case or the Phytoptid mites which have been sketched with the help of illustrations, the reason for this being the difficulty of making suitable mounts of these minute creatures, Where possible all stages or at least larva and imago have been sketched, together with the host plant and the type of gall-formation produced. Slides have also been made of most larvae and the imagines attached to cards and pinned on to pith or cork in the usual manner.en
dc.description.statusNot peer revieweden
dc.description.versionAccepted Version
dc.format.mimetypeapplication/pdfen
dc.identifier.citationWalsh, E. G. 1945. Leaf galls in our native trees and shrubs. PhD Thesis, University College Cork.en
dc.identifier.urihttps://hdl.handle.net/10468/1667
dc.language.isoenen
dc.publisherUniversity College Corken
dc.rights© 1945, Eileen G. Walshen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/en
dc.subjectLeaf gallsen
dc.subjectGall formationen
dc.subjectGall-inducing insectsen
dc.subject.lcshGalls (Botany)en
dc.thesis.opt-outfalse
dc.titleLeaf galls in our native trees and shrubsen
dc.typeDoctoral thesisen
dc.type.qualificationlevelDoctoralen
dc.type.qualificationnamePhD (Science)en
ucc.workflow.supervisorcora@ucc.ie
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