The Insects - P. J. Gullan - E-Book

The Insects E-Book

P. J. Gullan

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Beschreibung

Insects represent over half of the planet’s biological diversity. This popular textbook provides a comprehensive introduction to this extraordinary diversity, and places entomology central to the theory and practice of evolutionary and ecological studies.

Fully revised, this fifth edition opens with a chapter concerning the popular side of insect studies, including insects in citizen science, zoos and butterfly houses, and insects as food for humans and animals. Key features of insect
structure, function, behaviour, ecology and classification are integrated with appropriate molecular studies.  Much of the book is organized around major biological themes: living on the ground, in water, on plants, in colonies, and as predators, parasites/parasitoids and prey insects. A strong evolutionary theme is maintained throughout.

There is major revision to the chapter on systematics and a new chapter, Insects in a Changing World, includes insect responses to, and the consequences of, both climate change and human-assisted global alterations to distributions. Updated ‘Taxoboxes’ demonstrate topical issues and provide concise information on all aspects of each of the 28 major groupings (orders) of insects, plus the three orders of non-insect hexapods. New boxes describe a worrying increase in insect threats to landscape and commercial trees (including eucalypts, palms and coffee) and explain the value of genetic data, including evolutionary developmental biology and DNA barcoding, in insect biodiversity studies.

The authors maintain the clarity and conciseness of earlier editions, and extend the profuse illustrations with new hand-drawn figures. Over 50 colour photographs, together with the informative text and an accompanying website with links to video clips, appendices, textboxes and further reading lists, encourage a deeper scientific study of insects. The book is intended as the principal text for students studying entomology, as well as a reference text for undergraduate and graduate courses in the fields of ecology, agriculture, fisheries and forestry, palaeontology, zoology, and medical and veterinary science.

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Table of Contents

Title Page

Copyright

List of Colour Plates

List of Boxes

Preface to the Fifth Edition

Preface to the Fourth Edition

Preface to the Third Edition

Preface to the Second Edition

Preface and Acknowledgments for First Edition

About the Companion Website

Chapter 1: The Importance, Diversity and Conservation of Insects

1.1 WHAT IS ENTOMOLOGY?

1.2 The importance of insects

1.3 Insect biodiversity

1.4 Naming and classification of insects

1.5 Insects in popular culture and commerce

1.6 Culturing insects

1.7 Insect conservation

1.8 Insects as food

Further Reading

Chapter 2: External Anatomy

2.1 The cuticle

2.2 Segmentation and tagmosis

2.3 The head

2.4 The thorax

2.5 The abdomen

Further Reading

Chapter 3: Internal Anatomy and Physiology

3.1 Muscles and locomotion

3.2 The nervous system and co-ordination

3.3 The endocrine system and the function of hormones

3.4 The circulatory system

3.5 The tracheal system and gas exchange

3.6 The gut, digestion and nutrition

3.7 The excretory system and waste disposal

3.8 Reproductive organs

Further Reading

Chapter 4: Sensory Systems and Behaviour

4.1 Mechanical stimuli

4.2 Thermal stimuli

4.3 Chemical stimuli

4.4 Insect vision

4.5 Insect behaviour

Further Reading

Chapter 5: Reproduction

5.1 Bringing the sexes together

5.2 Courtship

5.3 Sexual selection

5.4 Copulation

5.5 Diversity in genitalic morphology

5.6 Sperm storage, fertilization and sex determination

5.7 Sperm competition

5.8 Oviparity (egg-laying)

5.9 Ovoviviparity and viviparity

5.10 Other modes of reproduction

5.11 Physiological control of reproduction

Further Reading

Chapter 6: Insect Development and Life Histories

6.1 Growth

6.2 Life-history patterns and phases

6.3 Process and control of moulting

6.4 Voltinism

6.5 Diapause

6.6 Dealing with environmental extremes

6.7 Migration

6.8 Polymorphism and polyphenism

6.9 Age-grading

6.10 Environmental effects on development

Further Reading

Chapter 7: Insect Systematics: Phylogeny and Classification

7.1 Systematics

7.2 The extant hexapoda

7.3 Informal group Entognatha: collembola (springtails), diplura (diplurans) and protura (proturans)

7.4 Class insecta (true insects)

Further Reading

Chapter 8: Insect Evolution and Biogeography

8.1 Relationships of the hexapoda to other arthropoda

8.2 The antiquity of insects

8.3 Were the first insects aquatic or terrestrial?

8.4 Evolution of wings

8.5 Evolution of metamorphosis

8.6 Insect diversification

8.7 Insect biogeography

8.8 Insect evolution in the pacific

Further Reading

Chapter 9: Ground-Dwelling Insects

9.1 Insects of litter and soil

9.2 Insects and dead trees or decaying wood

9.3 Insects and dung

9.4 Insect–carrion interactions

9.5 Insect–fungal interactions

9.6 Cavernicolous insects

9.7 Environmental monitoring using ground-dwelling hexapods

Further Reading

Chapter 10: Aquatic Insects

10.1 Taxonomic distribution and terminology

10.2 The evolution of aquatic lifestyles

10.3 Aquatic insects and their oxygen supplies

10.4 The aquatic environment

10.5 Environmental monitoring using aquatic insects

10.6 Functional feeding groups

10.7 Insects of temporary waterbodies

10.8 Insects of the marine, intertidal and littoral zones

Further Reading

Chapter 11: Insects and Plants

11.1 Coevolutionary interactions between insects and plants

11.2 Phytophagy (or herbivory)

11.3 Insects and plant reproductive biology

11.4 Insects that live mutualistically in specialized plant structures

Further Reading

Chapter 12: Insect Societies

12.1 Subsociality in insects

12.2 Eusociality in insects

12.3 Inquilines and parasites of social insects

12.4 Evolution and maintenance of eusociality

12.5 Success of social insects

Further Reading

Chapter 13: Insect Predation and Parasitism

13.1 Prey/host location

13.2 Prey/host acceptance and manipulation

13.3 Prey/host selection and specificity

13.4 Population biology—predator/parasitoid and prey/host abundance

13.5 The evolutionary success of insect predation and parasitism

Further Reading

Chapter 14: Insect Defence

14.1 Defence by hiding

14.2 Secondary lines of defence

14.3 Mechanical defences

14.4 Chemical defences

14.5 Defence by mimicry

14.6 Collective defences in gregarious and social insects

Further Reading

Chapter 15: Medical and Veterinary Entomology

15.1 Insects as causes and vectors of disease

15.2 Generalized disease cycles

15.3 Pathogens

15.4 Forensic entomology

15.5 Insect nuisance and phobia

15.6 Venoms and allergens

Further Reading

Chapter 16: Pest Management

16.1 Insects as pests

16.2 The effects of insecticides

16.3 Integrated pest management

16.4 Chemical control

16.5 Biological control

16.6 Host-plant resistance to insects

16.7 Physical control

16.8 Cultural control

16.9 Pheromones and other insect attractants

16.10 Genetic manipulation of insect pests

Further Reading

Chapter 17: Insects in a Changing World

17.1 Models of change

17.2 Economically significant insects under climate change

17.3 Implications of climate change for insect biodiversity and conservation

17.4 Global trade and insects

Further Reading

Chapter 18: Methods in Entomology: Collecting, Preservation, Curation and Identification

18.1 Collection

18.2 Preservation and curation

18.3 Identification

Further Reading

Taxoboxes

Glossary

Further Reading

References

Index

Appendix: A Reference Guide to Orders

Supplemental Images

Plate 1

Plate 2

Plate 3

Plate 4

Plate 5

Plate 6

Plate 7

Plate 8

End User License Agreement

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Guide

cover

Table of Contents

Preface to the Fifth Edition

Begin Reading

List of Illustrations

Figure 1.1

Figure 1.2

Figure 1.3

Figure 2.1

Figure 2.2

Figure 2.3

Figure 2.4

Figure 2.5

Figure 2.6

Figure 2.7

Figure 2.8

Figure 2.9

Figure 2.10

Figure 2.11

Figure 2.12

Figure 2.13

Figure 2.14

Figure 2.15

Figure 2.16

Figure 2.17

Figure 2.18

Figure 2.19

Figure 2.20

Figure 2.21

Figure 2.22

Figure 2.23

Figure 2.24

Figure 2.25

Figure 2.26

Figure 3.1

Figure 3.2

Figure 3.3

Figure 3.4

Figure 3.5

Figure 3.6

Figure 3.7

Figure 3.8

Figure 3.9

Figure 3.10

Figure 3.11

Figure 3.12

Figure 3.13

Figure 3.14

Figure 3.15

Figure 3.16

Figure 3.17

Figure 3.18

Figure 3.19

Figure 3.20

Figure 4.1

Figure 4.2

Figure 4.3

Figure 4.4

Figure 4.5

Figure 4.6

Figure 4.7

Figure 4.8

Figure 4.9

Figure 4.10

Figure 4.11

Figure 5.1

Figure 5.2

Figure 5.3

Figure 5.4

Figure 5.5

Figure 5.6

Figure 5.7

Figure 5.8

Figure 5.9

Figure 5.10

Figure 5.11

Figure 5.12

Figure 5.13

Figure 6.1

Figure 6.2

Figure 6.3

Figure 6.4

Figure 6.5

Figure 6.6

Figure 6.7

Figure 6.8

Figure 6.9

Figure 6.10

Figure 6.11

Figure 6.12

Figure 6.13

Figure 6.14

Figure 7.1

Figure 7.2

Figure 7.3

Figure 7.4

Figure 7.5

Figure 7.6

Figure 7.7

Figure 7.8

Figure 7.9

Figure 8.1

Figure 8.2

Figure 8.3

Figure 8.4

Figure 8.5

Figure 8.6

Figure 9.1

Figure 9.2

Figure 9.3

Figure 9.4

Figure 9.5

Figure 9.6

Figure 9.7

Figure 10.1

Figure 10.2

Figure 10.3

Figure 10.4

Figure 10.5

Figure 10.6

Figure 10.7

Figure 11.1

Figure 11.2

Figure 11.3

Figure 11.4

Figure 11.5

Figure 11.6

Figure 11.7

Figure 11.8

Figure 11.9

Figure 11.10

Figure 11.11

Figure 12.1

Figure 12.2

Figure 12.3

Figure 12.4

Figure 12.5

Figure 12.6

Figure 12.7

Figure 12.8

Figure 12.9

Figure 12.10

Figure 12.11

Figure 12.12

Figure 13.1

Figure 13.2

Figure 13.3

Figure 13.4

Figure 13.5

Figure 13.6

Figure 13.7

Figure 13.8

Figure 13.9

Figure 14.1

Figure 14.2

Figure 14.3

Figure 14.4

Figure 14.5

Figure 14.6

Figure 14.7

Figure 14.8

Figure 14.9

Figure 14.10

Figure 14.11

Figure 14.12

Figure 15.1

Figure 15.2

Figure 16.1

Figure 16.2

Figure 16.3

Figure 16.4

Figure 17.1

Figure 17.2

Figure 17.3

Figure 18.1

Figure 18.2

Figure 18.3

Figure 18.4

Figure 18.5

Figure 18.6

List of Tables

Table 1.1

Table 3.1

Table 3.2

Fifth Edition

THE INSECTS

AN OUTLINE OF ENTOMOLOGY

P.J. Gullan and P.S. Cranston

Research School of Biology, The Australian National University, Canberra, Australia & Department of Entomology and Nematology, University of California, Davis, USA

With illustrations by

Karina H. McInnes

This edition first published 2014 © 2014 by John Wiley & Sons, Ltd

Fourth edition published 2010 © 2010 by P.J. Gullan and P.S. Cranston

Third edition published 2005 by Blackwell Publishing Ltd

Second edition published 2000 by Blackwell Science

First edition published 1994 by Chapman & Hall

Registered office: John Wiley & Sons, Ltd, The Atrium, Southern Gate, Chichester, West Sussex, PO19 8SQ, UK

Editorial offices: 9600 Garsington Road, Oxford, OX4 2DQ, UK

The Atrium, Southern Gate, Chichester, West Sussex, PO19 8SQ, UK

111 River Street, Hoboken, NJ 07030-5774, USA

For details of our global editorial offices, for customer services and for information about how to apply for permission to reuse the copyright material in this book please see our website at www.wiley.com/wiley-blackwell.

The right of the author to be identified as the author of this work has been asserted in accordance with the UK Copyright, Designs and Patents Act 1988.

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, except as permitted by the UK Copyright, Designs and Patents Act 1988, without the prior permission of the publisher.

Designations used by companies to distinguish their products are often claimed as trademarks. All brand names and product names used in this book are trade names, service marks, trademarks or registered trademarks of their respective owners. The publisher is not associated with any product or vendor mentioned in this book.

Limit of Liability/Disclaimer of Warranty: While the publisher and author(s) have used their best efforts in preparing this book, they make no representations or warranties with respect to the accuracy or completeness of the contents of this book and specifically disclaim any implied warranties of merchantability or fitness for a particular purpose. It is sold on the understanding that the publisher is not engaged in rendering professional services and neither the publisher nor the author shall be liable for damages arising herefrom. If professional advice or other expert assistance is required, the services of a competent professional should be sought.

Library of Congress Cataloging-in-Publication Data

Gullan, P. J.

The insects : an outline of entomology / P.J. Gullan and P.S. Cranston ; with illustrations by Karina H. McInnes. – Fifth edition.

pages cm

Includes bibliographical references and index.

ISBN 978-1-118-84615-5 (cloth)

1. Insects. 2. Entomology. I. Cranston, P. S. II. Title.

QL463.G85 2014

595.7– dc23

2014013797

A catalogue record for this book is available from the British Library.

Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic books.

Cover image: A cartoon depicting some accidental passenger insects— a consequence of increased global commerce.

Cover design by Peter Cranston and Karina McInness.

List of Colour Plates

Plate 1

An atlas moth,

Attacus atlas

(Lepidoptera: Saturniidae), one of the largest of all lepidopterans, with a wingspan of about 24 cm and a larger wing area than any other moth; southern India and Southeast Asia (P.J. Gullan).

The moon moth,

Argema maenas

(Lepidoptera: Saturniidae), is found in Southeast Asia and India; this female, from rainforest in Borneo, has a wingspan of about 15 cm (P.J. Gullan).

Lord Howe Island stick-insect,

Dryococelus australis

(Phasmatodea: Phasmatidae), Lord Howe Island, Pacific Ocean, Australia (N. Carlile).

A female of the Stephens Island giant weta,

Deinacrida rugosa

(Orthoptera: Anostostomatidae), Mana Island, New Zealand (G.H. Sherley; courtesy of New Zealand Department of Conservation).

A Richmond birdwing,

Ornithoptera richmondia

(Lepidoptera: Papilionidae), and its cast pupal exuviae on a native pipevine (

Pararistolochia

sp.), eastern Australia (D.P.A. Sands).

Owl butterfly,

Caligo memnon

, with two common morpho butterflies,

Morpho peleides

(both Nymphalidae), Cali Zoo, Colombia (P.J. Gullan).

A cage of butterfly pupae awaiting eclosion, Penang Butterfly Farm, Malaysia (P.J. Gullan).

Plate 2

Palm weevil grubs,

Rhynchophorus ferrugineus

(Coleoptera: Curculionidae), reared for human consumption from ground palm mash and pig pellets, Thailand (M.S. Hoddle).

A “worm” or “phane”–the caterpillar of

Gonimbrasia belina

(Lepidoptera: Saturnidae)–feeding on the foliage of

Schotia brachypetala

, Limpopo Province, South Africa (R.G. Oberprieler).

Witchety (witjuti) grub, a larva of

Endoxyla

(Lepidoptera: Cossidae) from a desert

Acacia

tree, Flinders Ranges, South Australia (P. Zborowski).

Food insects at a market stall displaying silk-moth pupae (

Bombyx mori

), beetle pupae, and adult hydrophiloid beetles and water bugs (

Lethocerus indicus

), Lampang Province, northern Thailand (R.W. Sites).

A dish of edible water bugs,

Lethocerus indicus

(Hemiptera: Belostomatidae), Lampang Province, northern Thailand (R.W. Sites).

Edible stink bugs (Hemiptera: Tessaratomidae), at an insect market, Thailand (A.L. Yen).

Repletes (see

Fig. 2.4

) of the honeypot ant,

Camponotus inflatus

(Hymenoptera: Formicidae), on an Aboriginal wooden dish, Northern Territory, Australia (A.L. Yen).

Repletes of the honeypot ant,

Camponotus inflatus

, Northern Territory, Australia (A.L. Yen).

Plate 3

A tropical butterfly, the five-bar swordtail,

Graphium antiphates

(Lepidoptera: Papilionidae), obtaining salts by imbibing sweat from a training shoe, Borneo (P.J. Gullan).

A female katydid of an undescribed species of

Austrosalomona

(Orthoptera: Tettigoniidae), with a large spermatophore attached to her genital opening, northern Australia (D.C.F. Rentz).

Pupa of a Christmas beetle,

Anoplognathus

sp. (Coleoptera: Scarabaeidae), removed from its pupation site in the soil, Canberra, Australia (P.J. Gullan).

A teneral (newly moulted) giant burrowing cockroach,

Macropanesthia rhinoceris

(Blattodea: Blaberidae), Queensland, Australia (M.D. Crisp).

Egg mass of

Tenodera australasiae

(Mantodea: Mantidae) with young mantid nymphs emerging, Queensland, Australia (D.C.F. Rentz).

Eclosing (moulting) adult katydid of an

Elephantodeta

species (Orthoptera: Tettigoniidae), Northern Territory, Australia (D.C.F. Rentz).

Overwintering monarch butterflies,

Danaus plexippus

(Lepidoptera: Nymphalidae), Mill Valley, California, USA (D.C.F. Rentz).

Plate 4

A fossilized worker ant of

Pseudomyrmex oryctus

(Hymenoptera: Formicidae) in Dominican amber from the Miocene (P.S. Ward).

Female (long snout) and male (short snout) of the cycad weevil,

Antliarhinus zamiae

(Coleoptera: Curculionidae), on seeds of

Encephalartos altensteinii

(Zamiaceae), South Africa (P.J. Gullan).

The common milkweed grasshopper,

Phymateus morbillosus

(Orthoptera: Pyrgomorphidae), for which bright colours advertise toxicity acquired by feeding on milkweed foliage, Northern Cape, South Africa (P.J. Gullan).

Mine of a scribbly gum moth,

Ogmograptis racemosa

(Lepidoptera: Bucculatricidae), on trunk of

Eucalyptus racemosa

, New South Wales, Australia (P.J. Gullan).

Euglossine bees (Hymenoptera: Apidae: Euglossini) collecting fragrances from spadix of

Anthurium

sp. (Araceae), Ecuador (P.J. Gullan).

A bush coconut or bloodwood apple gall of

Cystococcus pomiformis

(Hemiptera: Eriococcidae), cut open to show the cream-coloured adult female and her numerous, tiny nymphal male offspring covering the gall wall, northern Australia (P.J. Gullan).

Close-up of the second-instar male nymphs of

C. pomiformis

feeding from the nutritive tissue lining the cavity of the maternal gall, northern Australia (P.J. Gullan).

Plate 5

Coccoid-induced gall of

Apiomorpha pharetrata

(Hemiptera: Eriococcidae): dark compound gall of males attached to green gall of female, with ants collecting honeydew at orifice of female's gall, eastern Australia (P.J. Gullan).

Aphid-induced galls of

Baizongia pistaciae

(Hemiptera: Aphididae: Fordinae) on turpentine tree,

Pistacia teredinthus

, Bulgaria (P.J. Gullan).

Rose bedeguar gall of

Diplolepis rosae

(Hymenoptera: Cynipidae) on

Rosa

sp. (wild rose), Bulgaria (P.J. Gullan).

A female thynnine wasp of

Zaspilothynnus trilobatus

(Hymenoptera: Tiphiidae) (on right) compared with flower of the sexually deceptive orchid

Drakaea glyptodon

, which attracts pollinating male wasps by mimicking the female wasp, Western Australia (R. Peakall).

A male thynnine wasp of

Neozeleboria cryptoides

(Hymenoptera: Tiphiidae) attempting to copulate with the sexually-deceptive orchid

Chiloglottis trapeziformis

, Australian Capital Territory (R. Peakall).

Myophily—pollination of mango flowers by a flesh fly,

Australopierretia australis

(Diptera: Sarcophagidae), northern Australia (D.L. Anderson).

Hummingbird hawk moth,

Macroglossum stellatarum

(Lepidoptera: Sphingidae), on a thistle, Bulgaria (P.J. Gullan).

Honey bee,

Apis mellifera

(Hymenoptera: Apidae), pollinating a passion flower,

Passiflora edulis

, Colombia (T. Kondo).

Plate 6

Ovipositing parasitic wasps (Hymenoptera): a eurytomid (Eurytomidae, top) and cynipid (Cynipidae, right), on an oak apple gall on

Quercus

, Illinois, USA (A.L. Wild).

Weaver ants,

Oecophylla smaragdina

(Hymenoptera: Formicidae), tending

Rastococcus

mealybugs (Hemiptera: Pseudococcidae), Thailand (T. Kondo).

The huge queen termite (approx. 7.5 cm long) of

Odontotermes transvaalensis

(Blattodea: Termitoidae: Termitidae: Macrotermitinae) surrounded by her king (mid front), soldiers and workers, South Africa (the late J.A.L. Watson).

A parasitic

Varroa

mite on a pupa of

Apis cerana

(Hymenoptera: Apidae) in a hive, Irian Jaya, New Guinea (D.L. Anderson).

Ant (Hymenoptera: Formicidae) interactions: the smaller Argentine ant (

Linepithema humile

) attacks the much larger red imported fire ant (

Solenopsis invicta

), Austin, Texas, USA (A.L. Wild).

An egg-parasitoid wasp,

Telenomus

sp. (Hymenoptera: Scelionidae), oviposits into an egg of an owl butterfly,

Caligo

sp. (Lepidoptera: Nymphalidae), Belize (A.L. Wild).

Plate 7

A cryptic grasshopper,

Calliptamus

sp. (Orthoptera: Acrididae), Bulgaria (T. Kondo).

A camouflaged late-instar caterpillar of

Plesanemma fucata

(Lepidoptera: Geometridae) resting on a eucalypt leaf so that its red dorsal line resembles the leaf midrib, eastern Australia (P.J. Gullan).

A female webspinner of

Antipaluria urichi

(Embioptera: Clothodidae) defending the entrance of her gallery from an approaching male, Trinidad (J.S. Edgerly-Rooks).

A snake-mimicking caterpillar of the spicebush swallowtail,

Papilio troilus

(Lepidoptera: Papilionidae), New Jersey, USA (D.C.F. Rentz).

An adult moth of

Utetheisa ornatrix

(Lepidoptera: Arctiidae) emitting defensive froth containing pyrrolizidine alkaloids sequestered by larval feeding on

Crotalaria

(Fabaceae) (the late T. Eisner).

A blister beetle,

Lytta polita

(Coleoptera: Meloidae), reflex-bleeding from the knee joints; the haemolymph contains the toxin cantharidin (the late T. Eisner).

The cryptic adult moths of four species of

Acronicta

(Lepidoptera: Noctuidae):

A. alni

, the alder moth (top left);

A. leporina

, the miller (top right);

A. aceris

, the sycamore (bottom left); and

A. psi

, the grey dagger (bottom right) (D. Carter and R.I. Vane-Wright).

Aposematic or mechanically protected caterpillars of the same four species of

Acronicta: A. alni

(top left);

A. leporina

(top right);

A. aceris

(bottom left); and

A. psi

(bottom right); showing the divergent appearance of the larvae compared with their drab adults (D. Carter and R.I. Vane-Wright).

Plate 8

One of Bates' mimicry complexes from the Amazon Basin involving species from three different lepidopteran families—the butterflies

Methona confusa confusa

(Nymphalidae: Ithomiinae) (top),

Lycorea ilione ilione

(Nymphalidae: Danainae) (second top) and

Patia orise orise

(Pieridae) (second from bottom), and a day-flying moth of

Gazera heliconioides

(Castniidae) (R.I. Vane-Wright).

A mature cottony-cushion scale,

Icerya purchasi

(Hemiptera: Monophlebidae), with a partly formed ovisac, on the stem of an

Acacia

host, attended by meat ants of

Iridomyrmex

sp. (Formicidae), New South Wales, Australia (P.J. Gullan).

Adult male gypsy moth,

Lymantria dispar

(Lepidoptera: Lymantriidae), New Jersey, USA (D.C.F. Rentz).

A biological control wasp

Aphidius ervi

(Hymenoptera: Braconidae) attacking pea aphids,

Acyrthosiphon pisum

(Hemiptera: Aphididae), Arizona, USA (A.L. Wild).

A circular lerp of the red gum lerp psyllid,

Glycaspis brimblecombei

, and a white lace lerp of

Cardiaspina albitextura

(Hemiptera: Psyllidae), on

Eucalyptus blakelyi

, Canberra, Australia; note the small brown eggs of

C. albitextura

attached to the leaf (M.J. Cosgrove).

An adult of the eucalypt-damaging weevil,

Gonipterus platensis

(Coleoptera: Curculionidae), Western Australia (M. Matsuki).

Adult beetle of the goldspotted oak borer,

Agrilus auroguttatus

(Coleoptera: Buprestidae), which threatens native oaks, southern California, USA (M. Lewis).

List of Boxes

Box 1.1

Citizen entomologists—community participation

Box 1.2

Butterfly houses

Box 1.3

Tramp ants and biodiversity

Box 1.4

Conservation of the large blue butterfly

Box 1.5

Palmageddon? Weevils in the palms

Box 3.1

Molecular genetic techniques and their application to neuropeptide research

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