Entomology, 3rd Edition by Cedric Gillott



Bibliographic Information:
Title: Entomology
Editor: Cedric Gillott
Edition:  3rd
Publisher: Springer
Length: 834 pages
Size: 29.6 MB
Language: English



The strongly favorable reception accorded previous versions of this book, together with the
not infrequent urgings of colleagues and students, encouraged me to take on the task of
preparing a third edition of Entomology. My early retirement, in 1999, freed up the time
necessary for a project of this size, and for the past 2 years my effort has been almost entirely
focused in this direction. Obviously, all chapters have been updated; this includes not only
the addition of new information and concepts (some of which are highlighted below), but
also the reduction or exclusion of material no longer considered ‘mainstream’ so as to keep
the book at a reasonable size.
My strong belief that an introductory entomology course should present a balanced
treatment of the subject still holds and is reflected in the retention of the format of earlier
editions, namely, arrangement of the book into four sections: Evolution and Diversity,
Anatomy and Physiology, Reproduction and Development, and Ecology.
Section I (Evolution and Diversity) has again undergone a great reworking, mainly
because the last decade has seen the uncovering of significant new fossil evidence, and
the application of molecular and cladistic analyses to extant groups. As a result, ideas
both on the relationships of insects to other arthropods and on the higher classification of
many orders have changed drastically. However, as in previous editions, I have stressed
that most phylogenies are not ‘embedded in stone’ but represent the consensus based on
existing information; thus, they are liable to refinement as additional data are forthcoming.
Chapter 1 discusses the evolution of Insecta in relation to other arthropods, emphasizing
the ageless debate on whether arthropods form a monophyletic or polyphyletic group,
and the relationship of insects to other hexapodous arthropods. Evolutionary relationships
within the Insecta are considered in Chapter 2, together with discussion of the factors that
contributed to the overwhelming success of the group. Chapter 3 serves two purposes:
It provides a description of external structure, which remains the principal basis on which
insects can be classified and identified, while stressing diversity with reference to mouthpart
and appendage modifications. In Chapter 4 the principles of classification and identification
are outlined, and a key to the orders of insects is provided. Diversity of form and habits is
again emphasized in Chapters 5 to 10, which deal with the orders of insects, including the
Mantophasmatodea, established only in 2002. For many orders, new proposed phylogenies
are presented, and the text has undergone significant rearrangement to reflect modern ideas
on the classification of these taxa.
insects; that is, those systems that keep insects ‘in tune’ with their environment, enabling
them to develop and reproduce optimally. The section begins with a discussion of the integument
(Chapter 11), as this has had such a profound influence on the success of insects.
Chapter 12 examines sensory systems, whose form and function are greatly influenced by
the cuticular nature of the integument. In Chapter 13, where neural and chemical integration
are discussed, new sections on kairomones and allomones have been included. Chapter 14
considers muscle structure and function, including locomotion. In this chapter the section
on flight has been significantly revised, especially with respect to recent proposals for the
generation of lift using non-steady-state aerodynamics. Chapter 15 reveals the remarkable
efficiency of the tracheal system in gaseous exchange, and Chapter 16 deals with the acquisition
and utilization of food. Chapter 17 describes the structure and functions of the
circulatory system, including the immune response of insects about which much has been
learned in the past decade. New to this chapter is a section on how parasites and parasitoids
are able todefend themselves against the host insect’s immune system.Chapter 18 concludes
this section with a discussion of nitrogenous waste removal and salt/water balance.
In Section III reproduction (Chapter 19), embryonic development (Chapter 20), and
postembryonic development (Chapter 21) are discussed. Chapter 19 includes additional
information on behavioral aspects of reproduction (courtship, mate guarding and sexual
selection), as well as sperm precedence. Chapter 21 has been revised to provide an updated
account of the endocrine regulation of development and molting.
Section IV (Ecology) examines those factors that affect the distribution and abundance
of insects. In Chapter 22 abiotic (physical) factors in an insect’s environment are considered.
Chapter 23 deals with the biotic factors that influence insect populations and serves as a
basis for the final chapter, in which the specific interactions of insects and humans are
discussed. Of all of the chapters, Chapter 24 has received the most drastic overhaul; such
has been the ‘progress’ (and the costs of such progress) in the battle against insect pests.
As may be inferred from the opening paragraph of this Preface, the book is intended as a
text for senior undergraduates taking their first course in entomology. Such students probably
will have an elementary knowledge of insects acquired from an earlier course in general
zoology, as well as a basic understanding of animal physiology and ecological principles.
With such a background, students should have no difficulty understanding the text.
Preparation of the third edition has benefited, not only from both published and unsolicited
reviews of previous editions, but also from my solicitation of comments on the
content of specific chapters from experts in those areas. Of course, any errors that remain,
and I hope these are extremely few, are my responsibility. I have enjoyed preparing this
third edition, for it has given me, once again, the opportunity to delve into aspects of entomology
that are well outside the range of an ‘insect sexologist’. For example, I never cease
to be impressed by the remarkable discoveries and insights of those entomologists who deal
with fossil insects, by those who develop integrated strategies for the management of insect
pest populations, and by the patience and dedication (and imagination—see Chapter 4,
Section 2) of insect taxonomists. Hopefully, readers of the new edition will receive the
same enjoyment.




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