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Encyclopedia of INSECTS [PART 2. CONTENTS BY L - Y]
I nsects are ever present in human lives. They are at once awe inspiring, fascinating, beautiful, and, at the same time, a scourge of humans because of food loss and disease. Yet despite their negative effects, we depend on insects for pollination and for their products. As insects are the largest living group on earth (75% of all animal species), any understanding of ecological interactions at local or global scales depends on our knowledge about them. Given the current interest in biodiversity, and its loss, it must be remembered
that insects represent the major part of existing biodiversity.
Aesthetically, insect images are often with us as well: early images include Egyptian amulets of sacred scarabs; modern images include dragonfl y jewelry, butterfl y stationery, and children’s puppets. The idea of an Encyclopedia of Insects is new, but the concept of an encyclopedia is quite old. In 1745, Diderot and D’Alembert asked the best minds of their era — including Voltaire and Montesquieu —to prepare entries that would compile existing human knowledge in one place: the world’s fi rst encyclopedia. It took over 20 years to fi nish the fi rst edition, which became one of the world’s fi rst best-selling books and a triumph of the Enlightenment.
What do we intend this encyclopedia to be? Our goal is to convey the exciting, dynamic story of what entomology is today. It is intended to be a concise, integrated summary of current knowledge and historical background on each of the nearly 300 entries presented. Our intention has been to make the encyclopedia scientifi cally uncompromising; it is to be comprehensive but not exhaustive. Cross-references point the reader to related topics, and further reading lists at the end of each article allow readers to go into topics in more detail. The presence of a certain degree of overlap is intentional, because each article is meant to be self-contained.
The Encyclopedia of Insects also includes organisms that are related to insects and often included in the purview of entomology. Therefore, besides the members of the class Insecta — the true insects — the biology of spiders, mites, and related arthropods is included. The core of this encyclopedia consists of the articles on the taxonomic groups — the 30 or so generally accepted orders of insects, the processes that insects depend on for their survival and success, and the range of habitats they occupy. The fact that entomology is
a dynamic fi eld is emphasized by the discovery of a new order of insects, the Mantophasmatodea, just as this encyclopedia was being completed. This is the first order of insects to be described in over 80 years, and we are pleased to be able to include it as an entry, further underscoring that there is much left to learn about insects. Some topics, especially the “ poster insects ” — those well-known taxa below the level of orders for which entries are presented — may not cover all that are desired by some readers. Given insect biodiversity,
your indulgence is requested.
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