Cover

Contents

Abstract

Acknowledgements

Chapter 1 Introduction

Chapter 2 Materials and methods

Collecting and rearing

Host egg pods

Estimation of parasitism rates in the field

Laboratory rearing of field collected eggs

External examination of eggs in the field

Field surveys of relative abundance of Scelio species

Mass rearing

Study of parasitic development

Dissections and histology

Histology

Taxonomic illustrations

Scanning electron microscopy

Institutional abbreviations

Chapter 3 Biology, ecology and biological control

General biology

Parasitic development (egg, larva, pupa)

Adults

Distribution and abundance

Impact of biotic factors

Impact of abiotic factors on distribution and abundance

Mortality factors

Conservation under pressure from environmental change

Agricultural importance and regional incidence

Natural control of host populations: regional surveys

Potential as biological control agents

Classical biological control

Neo-classical biological control

Conservation through modifying insecticide control strategies

Augmentation by inundative release

Enhancement through environmental manipulation

Importance of systematics to ecological studies

Chapter 4 Host relationships

Hosts of the Scelionini

Hosts of Scelio species

Erroneous host records for Australian Scelio

Host specificity

Chapter 5 Morphology

General characteristics

Head

Mesosoma

Legs

Wings

Metasoma

Female genitalia and ovipositor system

Male genitalia

Chapter 6 Phylogeny

Morphometric data

Phylogenetic methods

Selection of taxa

Phylogenetic characters

Qualitative characters

Quantitative or morphometric characters

Results and discussion

Conclusions

Chapter 7 Key to Australian species of Scelio

Key to sexes

Key to females

Key to males

Chapter 8 Taxonomy of Australian Scelio

Scelio Latreille

Diagnosis

Relationships

Sexual dimorphism

Distribution and composition of the Australian fauna

Treatment of species

Scelio amoenus Dodd

Scelio anmarae Dangerfield & Austin sp. nov.

Scelio annae Dangerfield & Austin sp. nov.

Scelio anyirambo Dangerfield & Austin sp. nov.

Scelio asperatus Dodd

Scelio australiensis Kieffer

Scelio bipartitus Kieffer

Scelio borroloolensis Dangerfield & Austin sp. nov.

Scelio bronae Dangerfield & Austin sp. nov.

Scelio chortoicetes Froggatt

Scelio concinnus Dodd

Scelio contractus Dodd

Scelio cruentatus Dodd

Scelio diemenensis Dodd

Scelio doddi Dangerfield & Austin sp. nov.

Scelio erythropus Dodd

Scelio flavicornis Dodd

Scelio flavigaster Dangerfield & Austin sp. nov.

Scelio fulgidus Crawford

Scelio fulvithorax Dodd

Scelio gallowayi Dangerfield & Austin sp. nov.

Scelio gobar Walker

Scelio grbini Dangerfield & Austin sp. nov.

Scelio ignobilis Dodd

Scelio improcerus Dodd

Scelio jokentae Dangerfield & Austin sp. nov.

Scelio joni Dangerfield & Austin sp. nov.

Scelio littoralis Dodd stat. rev.

Scelio locustae Dodd stat. rev.

Scelio mannesi Dangerfield & Austin sp. nov.

Scelio mareebaensis Dangerfield & Austin sp. nov.

Scelio matthewsi Dangerfield & Austin sp. nov.

Scelio meridionalis Dangerfield & Austin sp. nov.

Scelio mikei Dangerfield & Austin sp. nov.

Scelio nanocuspis Dangerfield & Austin sp. nov.

Scelio naumanni Dangerfield & Austin sp. nov.

Scelio nigricornis Dodd

Scelio nigricoxa Dodd stat. rev.

Scelio nigriscutellum Dodd

Scelio nigrobrunneus Dodd

Scelio notabilis Dodd

Scelio orientalis Dodd

Scelio parvicornis Dodd

Scelio perspicuus Dodd

Scelio petilus Dangerfield & Austin sp. nov.

Scelio pigotti Dangerfield & Austin sp. nov.

Scelio pilosifrons Dodd

Scelio Pilosus Dodd, 1913 stat. rev.

Scelio planithorax Dodd

Scelio pseudaustralis Dangerfield & Austin sp. nov.

Scelio punctaticeps Dodd

Scelio reticulatum Dangerfield & Austin sp. nov.

Scelio schmelio Dangerfield & Austin sp. nov.

Scelio semisanguineus Girault, stat. rev.

Scelio setafascis Dangerfield & Austin sp. nov.

Scelio striatifocies Dodd

Scelio sulcaticeps Dodd

Scelio tasmaniensis Dangerfield & Austin sp. nov.

Scelio unidentis Dangerfield & Austin sp. nov.

Scelio varipunctatus Dodd.

Scelio :Zborowskii Dangerfield & Austin sp. nov.

Treatment of unassigned males

Chapter 9 References

Index to scelionid genera and species

Index to orthopteran genera and species

Index to other genera and species