Review of the Neotropical Species Of
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
Entomology of the Aucklands and Other Islands South of New Zealand: Lepidoptera, Ex Cluding Non-Crambine Pyralidae
Pacific Insects Monograph 27: 55-172 10 November 1971 ENTOMOLOGY OF THE AUCKLANDS AND OTHER ISLANDS SOUTH OF NEW ZEALAND: LEPIDOPTERA, EX CLUDING NON-CRAMBINE PYRALIDAE By J. S. Dugdale1 CONTENTS Introduction 55 Acknowledgements 58 Faunal Composition and Relationships 58 Faunal List 59 Key to Families 68 1. Arctiidae 71 2. Carposinidae 73 Coleophoridae 76 Cosmopterygidae 77 3. Crambinae (pt Pyralidae) 77 4. Elachistidae 79 5. Geometridae 89 Hyponomeutidae 115 6. Nepticulidae 115 7. Noctuidae 117 8. Oecophoridae 131 9. Psychidae 137 10. Pterophoridae 145 11. Tineidae... 148 12. Tortricidae 156 References 169 Note 172 Abstract: This paper deals with all Lepidoptera, excluding the non-crambine Pyralidae, of Auckland, Campbell, Antipodes and Snares Is. The native resident fauna of these islands consists of 42 species of which 21 (50%) are endemic, in 27 genera, of which 3 (11%) are endemic, in 12 families. The endemic fauna is characterised by brachyptery (66%), body size under 10 mm (72%) and concealed, or strictly ground- dwelling larval life. All species can be related to mainland forms; there is a distinctive pre-Pleistocene element as well as some instances of possible Pleistocene introductions, as suggested by the presence of pairs of species, one member of which is endemic but fully winged. A graph and tables are given showing the composition of the fauna, its distribution, habits, and presumed derivations. Host plants or host niches are discussed. An additional 7 species are considered to be non-resident waifs. The taxonomic part includes keys to families (applicable only to the subantarctic fauna), and to genera and species. -
Butterflies of Ontario & Summaries of Lepidoptera
ISBN #: 0-921631-12-X BUTTERFLIES OF ONTARIO & SUMMARIES OF LEPIDOPTERA ENCOUNTERED IN ONTARIO IN 1991 BY A.J. HANKS &Q.F. HESS PRODUCTION BY ALAN J. HANKS APRIL 1992 CONTENTS 1. INTRODUCTION PAGE 1 2. WEATHER DURING THE 1991 SEASON 6 3. CORRECTIONS TO PREVIOUS T.E.A. SUMMARIES 7 4. SPECIAL NOTES ON ONTARIO LEPIDOPTERA 8 4.1 The Inornate Ringlet in Middlesex & Lambton Cos. 8 4.2 The Monarch in Ontario 8 4.3 The Status of the Karner Blue & Frosted Elfin in Ontario in 1991 11 4.4 The West Virginia White in Ontario in 1991 11 4.5 Butterfly & Moth Records for Kettle Point 11 4.6 Butterflies in the Hamilton Study Area 12 4.7 Notes & Observations on the Early Hairstreak 15 4.8 A Big Day for Migrants 16 4.9 The Ocola Skipper - New to Ontario & Canada .17 4.10 The Brazilian Skipper - New to Ontario & Canada 19 4.11 Further Notes on the Zarucco Dusky Wing in Ontario 21 4.12 A Range Extension for the Large Marblewing 22 4.13 The Grayling North of Lake Superior 22 4.14 Description of an Aberrant Crescent 23 4.15 A New Foodplant for the Old World Swallowtail 24 4.16 An Owl Moth at Point Pelee 25 4.17 Butterfly Sampling in Algoma District 26 4.18 Record Early Butterfly Dates in 1991 26 4.19 Rearing Notes from Northumberland County 28 5. GENERAL SUMMARY 29 6. 1990 SUMMARY OF ONTARIO BUTTERFLIES, SKIPPERS & MOTHS 32 Hesperiidae 32 Papilionidae 42 Pieridae 44 Lycaenidae 48 Libytheidae 56 Nymphalidae 56 Apaturidae 66 Satyr1dae 66 Danaidae 70 MOTHS 72 CONTINUOUS MOTH CYCLICAL SUMMARY 85 7. -
Sistema De Clasificación Artificial De Las Magnoliatas Sinántropas De Cuba
Sistema de clasificación artificial de las magnoliatas sinántropas de Cuba. Pedro Pablo Herrera Oliver Tesis doctoral de la Univerisdad de Alicante. Tesi doctoral de la Universitat d'Alacant. 2007 Sistema de clasificación artificial de las magnoliatas sinántropas de Cuba. Pedro Pablo Herrera Oliver PROGRAMA DE DOCTORADO COOPERADO DESARROLLO SOSTENIBLE: MANEJOS FORESTAL Y TURÍSTICO UNIVERSIDAD DE ALICANTE, ESPAÑA UNIVERSIDAD DE PINAR DEL RÍO, CUBA TESIS EN OPCIÓN AL GRADO CIENTÍFICO DE DOCTOR EN CIENCIAS SISTEMA DE CLASIFICACIÓN ARTIFICIAL DE LAS MAGNOLIATAS SINÁNTROPAS DE CUBA Pedro- Pabfc He.r retira Qltver CUBA 2006 Tesis doctoral de la Univerisdad de Alicante. Tesi doctoral de la Universitat d'Alacant. 2007 Sistema de clasificación artificial de las magnoliatas sinántropas de Cuba. Pedro Pablo Herrera Oliver PROGRAMA DE DOCTORADO COOPERADO DESARROLLO SOSTENIBLE: MANEJOS FORESTAL Y TURÍSTICO UNIVERSIDAD DE ALICANTE, ESPAÑA Y UNIVERSIDAD DE PINAR DEL RÍO, CUBA TESIS EN OPCIÓN AL GRADO CIENTÍFICO DE DOCTOR EN CIENCIAS SISTEMA DE CLASIFICACIÓN ARTIFICIAL DE LAS MAGNOLIATAS SINÁNTROPAS DE CUBA ASPIRANTE: Lie. Pedro Pablo Herrera Oliver Investigador Auxiliar Centro Nacional de Biodiversidad Instituto de Ecología y Sistemática Ministerio de Ciencias, Tecnología y Medio Ambiente DIRECTORES: CUBA Dra. Nancy Esther Ricardo Ñapóles Investigador Titular Centro Nacional de Biodiversidad Instituto de Ecología y Sistemática Ministerio de Ciencias, Tecnología y Medio Ambiente ESPAÑA Dr. Andreu Bonet Jornet Piiofesjar Titular Departamento de EGdfegfe Universidad! dte Mearte CUBA 2006 Tesis doctoral de la Univerisdad de Alicante. Tesi doctoral de la Universitat d'Alacant. 2007 Sistema de clasificación artificial de las magnoliatas sinántropas de Cuba. Pedro Pablo Herrera Oliver I. INTRODUCCIÓN 1 II. ANTECEDENTES 6 2.1 Historia de los esquemas de clasificación de las especies sinántropas (1903-2005) 6 2.2 Historia del conocimiento de las plantas sinantrópicas en Cuba 14 III. -
California Indian Garden – Plant List and Plant Uses
California Indian Garden Plant List Spring 2018 Common name Scientific name Indian Uses Bladderpod Isomeris arborea Seeds and flowers eaten Black sage Salvia mellifera Seeds ground into a meal for baking; tea made from leaves and stem Blue elderberry Sambucus nigra Berries used as food and sauce, plant also used for medicine, dyes for basketry, arrow shafts, flute, whistles, clapper sticks, and folk medicine Bush monkey flower Mimulus aurantiacus Young stems and leaves eaten as greens; used to treat burns, wounds, colds, cough, flu, stomach disorders and heart ailments CA buckwheat Eriogonum fasciculatum Leaf tea used for headache and stomach pain, root tea for colds and laryngitis; root poultice applied to wounds Chamise Adenostoma fasciculatum Infusion of bark and leaves used to cure syphilis; oils used to treat skin infections; scale insect on plant used as a binding agent; branches used to make arrow shafts and points Coast cholla Cylindropuntia prolifera Flowers and fruits for food Coast live oak Quercus agrifolia Acorns used as an important food staple Coast prickly pear Opuntia littoralis Fruit used for food, syrup, juice, candy and gum; young, green nopales (stems) also eaten; used to treat wounds, rheumatism, mumps, and reduce swelling; spines for needles and juice for dye Coast sunflower Encelia californica No known uses Coastal sagebrush Artemisia californica Leaves used for a variety of medicinal treatments: toothaches, wounds, asthma, colds, coughs, rheumatism, menstrual problems, to ease childbirth, menopausal symptoms, -
Wildlife Review Cover Image: Hedgehog by Keith Kirk
Dumfries & Galloway Wildlife Review Cover Image: Hedgehog by Keith Kirk. Keith is a former Dumfries & Galloway Council ranger and now helps to run Nocturnal Wildlife Tours based in Castle Douglas. The tours use a specially prepared night tours vehicle, complete with external mounted thermal camera and internal viewing screens. Each participant also has their own state- of-the-art thermal imaging device to use for the duration of the tour. This allows participants to detect animals as small as rabbits at up to 300 metres away or get close enough to see Badgers and Roe Deer going about their nightly routine without them knowing you’re there. For further information visit www.wildlifetours.co.uk email [email protected] or telephone 07483 131791 Contributing photographers p2 Small White butterfly © Ian Findlay, p4 Colvend coast ©Mark Pollitt, p5 Bittersweet © northeastwildlife.co.uk, Wildflower grassland ©Mark Pollitt, p6 Oblong Woodsia planting © National Trust for Scotland, Oblong Woodsia © Chris Miles, p8 Birdwatching © castigatio/Shutterstock, p9 Hedgehog in grass © northeastwildlife.co.uk, Hedgehog in leaves © Mark Bridger/Shutterstock, Hedgehog dropping © northeastwildlife.co.uk, p10 Cetacean watch at Mull of Galloway © DGERC, p11 Common Carder Bee © Bob Fitzsimmons, p12 Black Grouse confrontation © Sergey Uryadnikov/Shutterstock, p13 Black Grouse male ©Sergey Uryadnikov/Shutterstock, Female Black Grouse in flight © northeastwildlife.co.uk, Common Pipistrelle bat © Steven Farhall/ Shutterstock, p14 White Ermine © Mark Pollitt, -
Faunistische Angaben Über Pterophoridae Vom Sokotra Archipel Mit Der Neubeschreibung Von Agdistis Haghieri Sp
ZOBODAT - www.zobodat.at Zoologisch-Botanische Datenbank/Zoological-Botanical Database Digitale Literatur/Digital Literature Zeitschrift/Journal: Zeitschrift der Arbeitsgemeinschaft Österreichischer Entomologen Jahr/Year: 2009 Band/Volume: 61 Autor(en)/Author(s): Arenberger Ernst Artikel/Article: Faunistische Angaben über Pterophoridae vom Sokotra Archipel mit der Neubeschreibung von Agdistis haghieri sp. n. (Lepidoptera). 95-100 ©Arbeitsgemeinschaft Österreichischer Entomologen, Wien, download unter www.biologiezentrum.at Z.Arb.Gem.Öst.Ent. 61 95-100 Wien, 27. 11. 2009 ISSN 0375-5223 Faunistische Angaben über Pterophoridae vom Sokotra Archipel mit der Neubeschreibung von Agdistis haghieri sp. n. (Lepidoptera) Ernst ARENBERGER Abstract Six species of Pterophoridae are listed as new for the fauna of the Sokotra Archipelago, among these Agdistis haghieri sp. nov. is introduced as new to the literature. Its genitalia are depicted and the collection sites of the moths are figured. Keywords: Lepidoptera, Pterophoridae, Agdistis haghieri sp. nov., Palaearctic region, Fauna of Sokotra Archipelago. Zusammenfassung Sechs Pterophoridae-Arten werden neu für die Fauna des Sokotra Archipels gemeldet, davon wird Agdistis haghieri sp. nov. als neue Art in die Literatur eingeführt. Dessen Genitale wird abgebildet und die Fundplätze werden durch Fotos dargestellt. Einleitung Der Sokotra Archipel liegt geografisch am Schnittpunkt der paläarktischen und äthiopi- schen Fauna. Vorliegende Aufsammlungen von Pterophoridae aus dieser Region bestäti- gen Angaben früherer Autoren (WALSINGHAM, 1900, REBEL, 1907, MEYRICK, 1933 und AMSEL, 1961), dass die Lepidopterenfauna des Archipels mehrheitlich aus paläarktischen und kosmopolitisch lebenden Taxa besteht. Bisher waren mit Agdistis minima WALSINGHAM, 1900, Agdistis insidiatrix MEYRICK, 1933, Megalorhipida leucodactyla (FABRICIUS, 1794), Megalorhipida subtilis (REBEL, 1907) und Deuterocopus socotranus REBEL, 1907 nur fünf Pterophoridae-Arten bekannt. -
Plume Moths of Family Pterophoridae (Microlepidoptera) from Shiwaliks of North-West India
Rec. zool. Surv. India: Vol. 119(3)/ 256-262, 2019 ISSN (Online) : 2581-8686 DOI: 10.26515/rzsi/v119/i3/2019/143334 ISSN (Print) : 0375-1511 Plume moths of family Pterophoridae (Microlepidoptera) from Shiwaliks of North-West India H. S. Pooni1*, P. C. Pathania2 and Amit Katewa1 1Department of Zoology and Environmental Sciences, Punjabi University, Patiala - 1470002, Punjab, India; [email protected] 2Zoological Survey of India, M-Block, New Alipore, Kolkata - 700 053, West Bengal, India Abstract Survey tours were undertaken for the collection of Pterophorid moths from various localities falling in the jurisdiction of North-Western Shiwaliks. In all, 26 species belonged to 18 genera of the family Pterophoridae(25 species of subfamily and remarks for all the species are also provided in detail. Pterophorinae and 01 Deuterocopinae) were examined and identified. The keys to subfamilies, synonymy, distribution Keywords: Microlepidoptera, North-West, Plume Moths, Pterophoridae Introduction of these moths, the taxonomical study is very difficult and the same moths group poses very serious problems The Microlepidoptera is one of the large groups of in field collections, pinning, stretching, labelling and as moths under order Lepidoptera. On world basis, 45735 well as in identification. Keeping in mind all above, the species belonging to 4626 genera of 73 families under 19 present research is undertaken on the Pterophorid moths superfamilies are present. The superfamily Pterophoroidea from the area under reference. is a unique group from other Lepidopteran insects is having slender moths, long and slender legs and long Material and Methods abdomen and wings narrow clefted. The wings are narrow. -
A New Species of Oidaematophorus (Lepidoptera: Pterophoridae) from Chingaza National Natural Park in Colombia
TENNENT ET AL.: New species of Epimastidia and Paraduba HERNÁNDEZ ET AL.: New species of Oidaematophorus TROP. LEPID. RES., 24(1): 15-21, 2014 15 A NEW SPECIES OF OIDAEMATOPHORUS (LEPIDOPTERA: PTEROPHORIDAE) FROM CHINGAZA NATIONAL NATURAL PARK IN COLOMBIA Linda C. Hernández1, Luz Stella Fuentes2a, Gonzalo E. Fajardo2b, and Deborah L. Matthews3 1Departamento de Entomología, Centro de Bio-Sistemas Universidad Jorge Tadeo Lozano., Bogotá, Colombia, [email protected]; 2Facultad de Ciencias Biológicas e Ingeniería, Universidad Jorge Tadeo Lozano., Bogotá, Colombia, [email protected], [email protected]; 3McGuire Center for Lepidoptera and Biodiversity, Florida Museum of Natural History, University of Florida, [email protected] Abstract - Oidaematophorus espeletiae, sp. nov., is described from the Chingaza páramo in Colombia. The life history, external characters of the adult, male and female genitalia, final instar larva, and pupa are described and illustrated. This moth species is widely distributed in the páramo. Larvae cause damage in meristem leaves of frailejones (Espeletia spp., Asteraceae). Identification and continuing studies of this moth are important to determine its potential role in the reported death of numerous frailejones in the area. The hosts, Espeletia grandiflora and E. uribei are some of the keystone species of the páramo ecosytem. Resumen - Se describe Oidaematophorus espeletiae, sp. nov del páramo de Chingaza, Colombia. Se describen e ilustran la historia de vida, caracteres externos del adulto, genitalia de macho y hembra, último instar larval, y pupa. Esta polilla se encuentra ampliamente distribuida en el páramo. Las larvas ocasionan daños en las hojas del meristemo de los frailejones (Espeletia spp., Asteraceae). -
Moths of the Douglas Lake Region (Emmet and Cheboygan Counties), Michigan: VI
The Great Lakes Entomologist Volume 35 Number 1 - Spring/Summer 2002 Number 1 - Article 10 Spring/Summer 2002 April 2002 Moths of the Douglas Lake Region (Emmet and Cheboygan Counties), Michigan: VI. Miscellaneous Small Families (Lepidoptera) Edward G. Voss University of Michigan Follow this and additional works at: https://scholar.valpo.edu/tgle Part of the Entomology Commons Recommended Citation Voss, Edward G. 2002. "Moths of the Douglas Lake Region (Emmet and Cheboygan Counties), Michigan: VI. Miscellaneous Small Families (Lepidoptera)," The Great Lakes Entomologist, vol 35 (1) Available at: https://scholar.valpo.edu/tgle/vol35/iss1/10 This Peer-Review Article is brought to you for free and open access by the Department of Biology at ValpoScholar. It has been accepted for inclusion in The Great Lakes Entomologist by an authorized administrator of ValpoScholar. For more information, please contact a ValpoScholar staff member at [email protected]. Voss: Moths of the Douglas Lake Region (Emmet and Cheboygan Counties), 2002 THE GREAT LAKES ENTOMOLOGIST 53 MOTHS OF THE DOUGLAS LAKE REGION (EMMET AND CHEBOYGAN COUNTIES), MICHIGAN: VI. MISCELLANEOUS SMALL FAMILIES (LEPIDOPTERA) Edward G. Voss1 ABSTRACT Forty-seven species in nine families of Lepidoptera (Hepialidae, Psychidae, Alucitidae, Sesiidae, Cossidae, Limacodidae, Thyrididae, Pterophoridae, Epiplemi- dae) are listed with earliest and latest recorded flight dates in Emmet and Cheboy- gan counties, which share the northern tip of the Lower Peninsula of Michigan. The records are from the principal institutional and private collections of Michigan moths and continue the documented listing of Lepidoptera in the region. ____________________ Emmet and Cheboygan counties share the northern tip of the Lower Peninsula of Michigan, the former bordered on the west by Lake Michigan and the latter, on the east by Lake Huron. -
Lepidoptera Recorded for Imperial County California Compiled by Jeffrey Caldwell [email protected] 1-925-949-8696 Note
Lepidoptera Recorded for Imperial County California Compiled by Jeffrey Caldwell [email protected] 1-925-949-8696 Note: BMNA = Butterflies and Moths of North America web site MPG = Moth Photographers Group web site Most are from the Essig Museum’s California Moth Specimens Database web site Arctiidae. Tiger and Lichen Moths. Apantesis proxima (Notarctia proxima). Mexican Tiger Moth. 8181 [BMNA] Ectypia clio (clio). Clio Tiger Moth. 8249 Estigmene acrea (acrea). Salt Marsh Moth. 8131 Euchaetes zella. 8232 Autostichidae (Deoclonidae). Oegoconia novimundi. Four-spotted Yellowneck Moth. 1134 (Oegoconia quadripuncta mis-applied) Bucculatricidae. Ribbed Cocoon-maker Moths. Bucculatrix enceliae. Brittlebrush Moth. 0546 Cossidae. Goat Moths, Carpenterworm Moths, and Leopard Moths. Comadia henrici. 2679 Givira mucida. 2660 Hypopta palmata. 2656 Prionoxystus robiniae (mixtus). Carpenterworm or Locust Borer. 2693 Depressariidae. Pseudethmia protuberans. 1008 [MPG] Ethmiidae. Now assigned to Depressariidae. Ethmiinae. Ethmia timberlakei. 0984 Pseudethmia protuberans. 1008 Gelechiidae. Twirler Moths. Aristotelia adceanotha. 1726 [Sighting 1019513 BMNA] Chionodes abdominella. 2054 Chionodes dentella. 2071 Chionodes fructuaria. 2078 Chionodes kincaidella. 2086 (reared from Atriplex acanthocarpa in Texas) Chionodes oecus. 2086.2 Chionodes sistrella. 2116 Chionodes xanthophilella. 2125 Faculta inaequalis. Palo Verde Webworm. 2206 Friseria cockerelli. Mesquite Webworm. 1916 Gelechia desiliens. 1938 Isophrictis sabulella. 1701 Keiferia lycopersicella. Tomato Pinworm. 2047 Pectinophora gossypiella. Pink Bollworm. 2261 Prolita puertella. 1895 Prolita veledae. 1903 Geometridae. Inchworm Moths, Loopers, Geometers, or Measuring Worms. Archirhoe neomexicana. 7295 Chesiadodes coniferaria. 6535 Chlorochlamys appellaria. 7073 Cyclophora nanaria. Dwarf Tawny Wave. W 7140 Dichorda illustraria. 7055 Dichordophora phoenix. Phoenix Emerald. 7057 Digrammia colorata. Creosote Moth. 6381 Digrammia irrorata (rubricata). 6395 Digrammia pictipennata. 6372 Digrammia puertata. -
Adaina Primulacea Meyrick, 1929: a Gall-Inducing Plume Moth of Siam Weed from South Florida and the Neotropics (Lepidoptera: Pterophoridae)
64 TROP. LEPID. RES., 19(2):64-70, 2009 MATTHEWS & MAHARAJH: Life history of Adaina plume moth ADAINA PRIMULACEA MEYRICK, 1929: A GALL-INDUCING PLUME MOTH OF SIAM WEED FROM SOUTH FLORIDA AND THE NEOTROPICS (LEPIDOPTERA: PTEROPHORIDAE) Deborah L. Matthews1 and Boudanath V. Maharajh2, † 1McGuire Center for Lepidoptera and Biodiversity, Florida Museum of Natural History, University of Florida, P. O. Box 112710, Gainesville, Florida 32611-2710, USA; 2Department of Entomology and Nematology, Fort Lauderdale Research and Education Center, University of Florida, Institute of Food and Agricultural Sciences, 3205 College Avenue, Fort Lauderdale, Florida 33314, USA. † Deceased 22 August 2009 Abstract- The life history of Adaina primulacea Meyrick is described and illustrated. Larvae induce formation of stem galls on Siam Weed, Chromolaena odorata (L.) R.M.King & H. Rob., and feed and pupate within these galls. This neotropical species was discovered in South Florida in 1993 and has since been exported for biological control studies. The identity of the species is established in this paper by comparison of reared specimens with images of the holotype from Panama. The female genitalia are described and illustrated for the first time. Key Words: cecidogenous, Chromolaena odorata, Eupatorium cannabinum, Siam Weed, Asteraceae, stem galls, Adaina primulacea, A. microdactyla, A. simplicius, A. bipunctata, biological control, larvae, pupae, Pterophoroidea, Pterophorinae The genus Adaina Tutt, 1905 includes 28 species worldwide and competes with crops as well as native vegetation in (Gielis 2003), 20 of which occur in the Neotropical Region. enviromentally sensitive areas. It is a fire hazard in grasslands The type species, Adaina microdactyla (Hübner) is widespread and a problem weed in pastures as it is toxic to cattle. -
Durham E-Theses
Durham E-Theses Ecological Changes in the British Flora WALKER, KEVIN,JOHN How to cite: WALKER, KEVIN,JOHN (2009) Ecological Changes in the British Flora, Durham theses, Durham University. Available at Durham E-Theses Online: http://etheses.dur.ac.uk/121/ Use policy The full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that: • a full bibliographic reference is made to the original source • a link is made to the metadata record in Durham E-Theses • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders. Please consult the full Durham E-Theses policy for further details. Academic Support Oce, Durham University, University Oce, Old Elvet, Durham DH1 3HP e-mail: [email protected] Tel: +44 0191 334 6107 http://etheses.dur.ac.uk Ecological Changes in the British Flora Kevin John Walker B.Sc., M.Sc. School of Biological and Biomedical Sciences University of Durham 2009 This thesis is submitted in candidature for the degree of Doctor of Philosophy Dedicated to Terry C. E. Wells (1935-2008) With thanks for the help and encouragement so generously given over the last ten years Plate 1 Pulsatilla vulgaris , Barnack Hills and Holes, Northamptonshire Photo: K.J. Walker Contents ii Contents List of tables vi List of figures viii List of plates x Declaration xi Abstract xii 1.