Cover image for Insects : their natural history and diversity : with a photographic guide to insects of eastern North America
Title:
Insects : their natural history and diversity : with a photographic guide to insects of eastern North America
Author:
Marshall, S. A. (Steven A.), author.
Publication Information:
Buffalo, N.Y. : Firefly Books, 2006.
Physical Description:
732 pages : color illustrations ; 29 cm
Summary:
An examination of the characteristics, habitat and behavior of insects, including comprehensive picture keys for insect identification.
Language:
English
Contents:
The wingless insects : springtails, diplurans and bristletails -- Mayflies, dragonflies and damselflies : the "old winged" insects -- Stoneflies -- Cockroaches, termites, mantids and other orthopteroids -- Grasshoppers, crickets and katydids -- True bugs and other hemipteroids -- Butterflies and moths -- Caddisflies -- Lacewings, antlions, fishflies and related insects -- Beetles -- Flies, scorpionflies and fleas -- Sawflies, wasps, bees and ants -- Non-insect arthropods -- Observing, collecting and photographing insects.
ISBN:
9781552979006
Format :
Book

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Summary

Summary

Meticulously researched and illustrated with color photographs, Insects is a landmark reference book that is ideal for any naturalist or entomologist. To enhance exact identification of insects, the photographs in this encyclopedic reference were taken in the field -- and are not pinned specimens.

Insects enables readers to identify most insects quickly and accurately. The more than 50 pages of picture keys lead to the appropriate chapter and specific photos to confirm identification. The keys are surprisingly comprehensive and easy for non-specialists to use.

Insects features:

Detailed chapters covering all insect orders and the insect families of eastern North America A brief examination of common families of related terrestrial arthropods 4,000 color photographs illustrating typical behaviors and key characteristics 28 picture keys for quick and accurate insect identification Three indexes -- common family names, photographs, general index Expert guidance on observing, collecting and photographing insects.

Almost 80 percent of all named animal species are insects and closely related arthropods. This book is required reading for anyone interested in entomology.


Author Notes

Steve Marshall is a professor of entomology at the University of Guelph, where he developed a major insect collection and carries out research on insect systematics and biodiversity. He has discovered hundreds of new species, several new genera and even two new subfamilies.


Reviews 3

Booklist Review

Insects, comprising more than 80 percent of the approximately 1.5 million animal species that have been formally identified by scientists, play a significant role in our everyday lives. Honeybees pollinate crops; mosquitoes are both a nuisance and potential carrier of disease; cockroaches are unwelcome house guests; butterflies delight children. Written at a level accessible to college students in introductory biology courses as well as motivated laypeople by an entomologist with more than 20 years' experience as a teacher, this guide focuses on families of northeastern North American insects. The geographic scope is loosely defined as east of the Mississippi and north of the state of Georgia. Arranged in chapters by scientific classification, this work furnishes general information on insect orders and families as well as more specific data on representative individual species. Chapters cover 13 big groups of insects, for example, Cockroaches, Termites, Mantids and Other Orthopteroids ; Grasshoppers, Crickets, and Katydids ; Butterflies and Moths ; Flies, Scorpionflies and Fleas ; and Sawflies, Wasps, Bees, and Ants. Each chapter begins with an essay highlighting the characteristics of the group, its natural history, and interesting sidelights on individual species. A separate chapter on observing, collecting, and photographing insects is included. Some 4,000 detailed color photographs of individual species in their natural environments afford the user the opportunity to view the insects as they appear in life. More than 50 pages of illustrated keys to the identification of insect groups are designed to be as user-friendly as possible; technical taxonomic terms such as pronotum and scutellum are illustrated within the key. Icons alert the user to corresponding photographs and further identification keys. A 21-page Index of Photographs refers the reader to page numbers of insects by genus and species as well as some common names. There are no references from broad common insect names such as ladybugs or mosquitoes; therefore, searching by genus and species yields the best results. A separate 23-page general index supplies page references to orders, superfamilies, and families of insects. Firefly is also the publisher of Firefly Encyclopedia of Insects and Spiders (2003), which, with its broader geographic range and lower price, might be a first choice for smaller libraries. Insects: Their Natural History and Diversity is notable for its numerous color photographs, accessible language, and relatively simple-to-use identification keys. It is highly recommended for public, academic, and special libraries, particularly those in northeastern North America. --Nancy Cannon Copyright 2006 Booklist


Library Journal Review

This amazing six-pound volume, which offers more than 4000 excellent color photographs and concise, accurate information about every major insect family worldwide, is the fruit of Marshall's 20 years of teaching entomology at the University of Guelph and continually adding examples, details, and photos to his lectures. The 33 insect orders are grouped as 12 chapters, each with text followed by photo pages that have colored top margins, facilitating navigation among chapters. The photos, which account for 70 percent of the content in these 12 chapters, depict mostly eastern North American insects, though other continents are represented, too. Common and scientific names appear side by side in photo captions. Text and captions emphasize insect diversity and natural history and are well laced with interesting facts and examples rarely found in standard texts, e.g., Southeast Asian blood-sucking moths and leaf-rolling weevils. Mundane or obscure, almost any insect group one can think of is here, from bed bug-hunting assassin bugs to phantom crane flies. Two final chapters cover the non-insect terrestrial arthropods (e.g., spiders, scorpions, centipedes) and give advice on insect observation, collection, and photography. The 27 easy-to-use visual keys permit identification of eastern North American insects to family and often to genus and species. The keys are illustrated by line drawings and cross-referenced to photos. Photo and subject indexes and a rather short reference list complete the volume. Bottom Line This book is simply bigger, prettier, and more comprehensive than any previous publication on insects and will be useful to amateur and professional alike. It belongs in every public and school library. Annette Aiello, Smithsonian Tropical Research Inst., Panama (c) Copyright 2010. Library Journals LLC, a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.


Choice Review

Many detailed publications assist with the difficult proposition of insect identification, but some are usable primarily by students with technical training. On the other end of the spectrum are numerous field guides that allow identification, primarily at the family level, by making comparisons with photographs and drawings. In this magnificent book, eminent dipterist Marshall (Univ. of Guelph) attempts to meld these two approaches. The result is an exceptionally large "field guide" that laboratory workers with some background will find indispensable, but that anyone at all interested in insects will warmly welcome. The first 12 chapters contain discussions of taxonomically grouped orders of insects. Chapter 13 considers non-insectan arthropods (e.g., spiders, crustaceans). Discussions focus on basic natural history rather than identification.The main body of each chapter comprises a series of color plates, totaling over 400, each generally with six to nine close-up portraits of insects or related arthropods. The plates' value centers on proper identification of the individuals represented. Here the book appears to be excellent, although not error free. (Not unexpectedly, the work does not reflect some recent changes in classification.) Chapter 14 briefly addresses insect observation, collecting techniques, and photography. The final section is a 52-page "picture key" to the orders and families of insects, including guides to larvae of some groups. Proper use of the keys will require both a working knowledge of insect anatomy and a reasonably good microscope. Though the keys do not make this work stand out from similar ones, the countless photographs (many of rarely viewed insect families/species) make it an unmatched resource. The fantastic variety of illustrated species will greatly facilitate family-level identification, and in some cases enable recognition of distinctive species. This remarkable book is destined to become a fixture in all general entomological collections. ^BSumming Up: Essential. All levels. P. K. Lago University of Mississippi


Excerpts

Excerpts

Preface This book is based on material originally gathered in support of a third-year entomology course -- "The Natural History of Insects" -- that I started teaching at University of Guelph in 1982. The text is based on the lecture notes for that course, the picture keys are based on the course manual and the photographs are part of a collection that was initiated to provide color to my lectures in several entomology courses over the past 20 years. The text sections in this book provide an introduction to insect diversity and natural history, with basic information about all major insect families. The photos and captions provide a visual overview of the diversity of each family with discussions of common or especially interesting genera and species. Picture keys are provided to the orders and common families of most orders. The emphasis is on northeastern North America, loosely interpreted as anything east of the Mississippi River and north of the state of Georgia. Insect identification Although the focus of this book is on the common families of northeastern North American insects, the keys and photos should be useful for identifying orders and most families anywhere in the world. If you are trying to identify an insect to order, start with the illustrated keys (pages 615-666). When you think you have a match, turn to the appropriate section of the book and look over the full spectrum of photos for that order. If you know the order and want to identify your insect to the family level you can either jump right to the photos and captions, or start with the illustrated keys. The illustrated keys may not take you right to the family level, but they will guide you to the correct part of the book to look for further information. The photos and captions themselves should serve as a practical field guide to the family or subfamily level for common insects from anywhere in North America, and will serve for positive identification of some eastern insects at the genus or species level. Almost all the photographs are of northeastern species, although a few interesting groups that do not occur in the east (honey ants, pollen wasps) were slipped in for interest, and a few groups are illustrated with photos from outside North America, as noted. The great majority of the photographs were taken in Ontario, Canada (mostly the Bruce Peninsula or southern Ontario), but a few are from Mountain Lake Biological Station, Virginia (where I teach a field entomology course), and elsewhere in the eastern United States. The illustrated family keys are designed to be as user-friendly as possible, with an emphasis on characteristics visible to the naked eye or easily discernable with a handheld magnifying glass. Most keys represent a compromise between ease of use and comprehensiveness. The keys in this book lean towards ease of use and should be treated as shortcuts rather than definitive roadmaps. The keys to families in the larger orders (Diptera, Hymenoptera, Coleoptera) are designed to aid in the identification of typical members of commonly encountered families, and the odd rarity or exception will not key out. Comprehensive keys to the families of these orders are listed in the references, but most require experience, patience and a good microscope to use. For example, the key to families of beetles in American Beetles (Arnett et al., 2002) is 185 complex couplets long; the key to families of flies in the Manual of North American Diptera (McAlpine et al., 1981) is 152 couplets long. Those keys will work for almost all North American beetles and flies; the simplified keys in this book will probably work for over 95 percent, including almost all routinely encountered taxa. I think it is a good compromise, but it is a compromise, and the serious student will want to check problematic identifications using more technical literature. The "id" and "idae" of entomological jargon This book is organized around insect orders and families. Names given to orders (big groups, like beetles and flies) do not have standard endings, but orders are divided into families, and the names of families always end in "-idae." Insect families are routinely mentioned by informally contracting the family name to end with "-id." Ground beetles, for example, are formally called the family Carabidae, but are informally referred to as "carabids." Sometimes it is useful to talk about a number of related families together, in which case we talk about superfamilies and the names always end in "-oidea." Some families, especially large families like the leaf beetles (Chrysomelidae), are usefully divided into subgroups called subfamilies (subfamily names end in "-inae"). The scientific name of a species always has two parts, the genus (always capitalized and in italics) and species (always in italics, never capitalized). For example, the Monarch Butterfly ( Danaus plexippus ) is a nymphalid butterfly in the family Nymphalidae and the subfamily Danainae. In scientific papers (but not in this book) the name of a species is usually followed by the name of the person who first described and named it (in parentheses if it was first described in another genus). The Monarch, then, would appear as Danaus plexippus (L.), with L. serving as a short form for its "discoverer" Linnaeus. Taxonomic hierarchy and corresponding suffix Superfamily: -oidea Family (formal): -idae Family (informal): -id Subfamily: -inae Many insect species, especially large or economically important species, have common names like the Monarch, but most do not. Where widely used common names exist they are included here. Common names are normally capitalized. Family names appear in bold face when they first appear in the text. Classifications are in constant flux as we discover more about the relationships between groups of organisms, and the names used in this book may be different from those you are already familiar with. I have taken a conservative approach to higher classification, using the family concepts in current usage unless there are compelling reasons to accept a recent change. Significant changes are indicated in the text and captions, and generally follow a recent checklist, catalogue or monograph in the Selected References section at the back of this book. An Overview of Six-legged Life We live in a world of insects. They are our continual and closest neighbors, so much a part of day-to-day life that most of us hardly take notice of them unless they are particularly loud or obnoxious, or they stand accused of robbery or assault. It is easy to forget that human beings form a tiny two-legged minority in an overwhelmingly six-legged world -- a world where a bit of knowledge about our dominant neighbors can unlock the door to a surprisingly diverse local environment. The key to seeing and understanding insect diversity is knowledge of the common orders and families of insects. Armed with that knowledge, a sizeable proportion of the multitude of walking, crawling and flying creatures you share your daily life with will become familiar neighbors, replete with predictable habits. Insects are influential and interesting creatures well worth getting to know. It is self-evident that you can hardly step outdoors without exposure to a usually ignored infinity of insect types, but surprisingly few people are aware that these ubiquitous animals make up the staggering majority of all living things. Most named species of living things, including close to eighty percent of the approximately one and a half million named animal species, are insects. These numbers would be all the more impressive if they took into account the millions of insect species still awaiting discovery and formal naming. We can only guess that the total number of insect species is somewhere between five and ten million, and we have only the crudest idea of how many individual insects there are. According to one estimate, there are about 200,000 ants for every living human being, and we can safely assume that each of us is also matched by many thousand flies, fleas, bugs and beetles. Perhaps you are a practical person, unimpressed by raw numbers and the mere fact that insects are the overwhelmingly dominant inhabitants of our planet. You might still find it worthwhile to gain some insight into a group of organisms that bite, carry diseases, cost us billions of dollars every year in crop losses and lead us to contaminate our environment with a frightening variety of toxic chemicals in our attempts to get the better of them. Insect-borne diseases, like plague and typhus, have periodically wiped out sizable portions of the Earth's human population, and have repeatedly turned the tides of war by killing far more people than guns and swords. Even today, half the world's population is at risk from mosquito-borne malaria, and another 90 million people in 76 countries suffer from insect-borne filariasis. Chagas' disease, caused by a bug-borne protozoan, affects another 16 million to 18 million people in South and Central America, and countless millions are affected daily by fly-borne food and water contamination. -- Introduction If insects are worth getting to know as an enemy of humankind, they are even more worthy of attention as our benefactors. We could probably get by without insect products such as honey and silk, but our food production systems would be wholly changed in the absence of insect pollinators, and entire ecosystems would collapse if there were no insects in the food chain. Furthermore, insect predators and parasitoids keep pest insect numbers down, plant-eating insects regulate plant density, and microbe-eating insects, such as maggots, regulate the decomposition phase that every living thing must go through. Although our history, health and finances all pivot to a surprising degree on insects, the best reasons to be interested in insects lie elsewhere. One of the great appeals of these invertebrates is their remarkable combination of seemingly infinite variety with comforting predictability. Insects as a whole, and each of the major subgroups, exhibit several constant and predictive attributes despite their dazzling array of novelties and remarkable modifications. Therefore, one can easily learn to recognize the major insect groups and their basic biology, and make safe generalizations about most of the insects encountered day to day. At the same time, it is always possible to find new things. Even after decades as a professional entomologist, I frequently come across insects I've never seen before or watch insects doing something new and remarkable to me, perhaps something I've read about with interest, or perhaps something never previously observed. Entomology -- the study of insects -- is both an absorbing hobby and a scientific frontier we can push forward through backyard observations. I hope that the following overview of insect diversity and natural history will provide both an introduction to the science of entomology, and a framework for the observation and appreciation of the small life that surrounds us all. What is an insect? Just what is an insect anyhow? To put that question in perspective, think of a tree representing all animal life. Make it a huge old tree with a bunch of spindly twigs growing off the lower part of its massive trunk. Those little branches represent relatively small groups such as sponges, the sea cucumber lineage, the vertebrate lineage, and the mollusk and worm lineage. The main tree trunk, above those spindly twigs, is made up entirely of animals that periodically shed their skins to allow growth (Ecdysozoa). These moulting animals include the nematodes and their relatives as well as a few very small groups such as the penis worms, but most Ecdysozoa, including around 90 percent of all animal species, belong to the phylum Arthropoda. Arthropods can be thought of as "inside out" relative to vertebrates because their skeleton is an external shell. The term "arthropod" means "jointed feet," and refers to a conspicuous side-effect of having a hard external shell. Jointed appendages were an inevitable attribute for knights in armor, and the same goes for invertebrates with a hardened, or sclerotized, external skeleton. The phylum Arthropoda is divided into several classes, including the arachnids (spiders and their relatives), myriapods (millipedes, centipedes and their relatives), crustaceans (crabs and their relatives), and insects. The class Insecta, which includes the overwhelming majority of all arthropod species, is defined by several unique attributes which might explain why insects are so successful. The most obvious of those attributes, and one reflected in the name "insect," is the division of the body into three sections: the head, thorax and abdomen. It is useful to think of insects as a group in which different parts of the body were assigned different tasks, and given appropriate appendages for each those different tasks. The insect head is the result of the first few body appendages getting the jobs of scouting out the environment and handling food. In the basic insect body plan, the part of the head in front of the mouth has a pair of sensory antennae followed by an upper lip, or labrum. The appendages immediately behind the mouth are modified into unsegmented jaws called mandibles. A pair of food-handling and sensory appendages called maxillae follows the mandibles, and the maxillae are followed by a similar pair of appendages fused in the middle to form a lower lip, or labium. Both the maxillae and labium have distinctive segmented processes, called palpi (or palps). Many insects, such as grasshoppers, cockroaches and beetles, retain simple chewing mouthparts in which you can easily examine these basic bits and pieces, but in some groups of insects, the mouthparts are strongly modified. It helps to be familiar with simple chewing mouthparts, like those in grasshoppers, in order to appreciate how the specialized mouthparts of butterflies, bugs, mosquitoes and many other groups can be derived by simple modification of those basic oral appendages. The second of the insect's three body sections is the thorax, which is usually a big muscle-packed box made up of three segments, each with appendages that have become specialized for locomotion. The thorax is the insect's transportation center, almost always bearing three pairs of legs and usually with two pairs of wings. Insects with wings make up not only the majority of the class Insecta, they make up the majority of all animals. The third insect section is the abdomen, essentially a segmented sack of digestive and reproductive organs, usually devoid of any conspicuous appendages other than those involved with sex or laying eggs. Even a wasp's stinger, quite a conspicuous structure at times, is really just a modified egg-laying tube derived from appendages at the end of the abdomen. Grasshoppers are great insects for a quick and casual study of insect parts, and you should have no problem getting your hands on one of these common insects. The grasshopper's body segments should be readily apparent once you realize that the wings usually project from the thorax right back over the abdomen. You might start by looking at the head appendages -- this is easily done, as the big, triangular, chewing mandibles make it easy to get your bearings on the other mouthparts. Don't worry about the brown saliva (we called it tobacco juice when I was a kid) that living grasshoppers dribble over your probing fingers, just wipe it off and take note of the two pairs of segmented palpi following the mandibles. The first palpi arise from the maxillae; the second ones come off the labium. Now, hold your grasshopper by the hard section just behind the head. This section is hard because its top and sides are enveloped by a big shield made from the top of the first of the three thoracic segments. The second and third thoracic segments both support wings, but the straight-edged, somewhat leathery forewings usually conceal the hind wings. By grasping a forewing and gently pulling it away from the body, you will expose the large, fanlike hind wing. Now that you have checked out your hopper's wings, look closely at the sides of the abdomen for the abdominal spiracles, which look like a series of portholes. The spiracles, also found on the side of the thorax, open into a system of breathing tubes which form an air delivery system reminiscent of our own system of blood vessels and capillaries. Insects don't have blood vessels like ours, and insect blood, more properly called haemolymph, isn't used for respiration like we use blood. Insect blood, which fills the body cavity, serves a variety of other roles ranging from internal transport of nutrients and chemical messengers through to hydraulic operation of various body parts. Insect blood does circulate, but it isn't restricted to vessels like vertebrate blood. Your grasshopper even has a heart of sorts, really just a perforated dorsal tube that pumps to circulate the blood toward the head. In a way, insects are not only "inside out" relative to those of us supported by internal skeletons, but they are also "upside down" because the pumping organ is not in a ventral (lower) position like the human heart, but in the dorsal (upper) position like the human spinal cord. The insect equivalent of a spinal cord is a nerve cord running along the ventral part of the body cavity. The insect nerve cord loops up around the esophagus to form a brain of sorts, in the form of a concentration of nervous tissue in the head. When I suggested that you pick up a grasshopper to browse the major insect bits, I was making the safe assumption that most people know what a grasshopper is. In the following chapters, I will discuss hexapod highlights in the context of specific insect groups, starting with some primitive wingless types and moving up the evolutionary tree to ultimately arrive at a sort of insect treetop, somewhere among the ants, wasps and bees. The winged insect orders comprise the mainstream of insect evolution. Most of this book goes with that flow, but chapter one dabbles in some of the interesting little trickles of six-legged life that ultimately give rise to the torrent of flying insects that inundate the planet, and chapter 13 leaves the hexapods for a quick look at some other arthropod orders. Excerpted from Insects: Their Natural History and Diversity: With a Photographic Guide to Insects of Eastern North America by Stephen A. Marshall All rights reserved by the original copyright owners. Excerpts are provided for display purposes only and may not be reproduced, reprinted or distributed without the written permission of the publisher.

Table of Contents

Preface
Introduction
Wingless Insects: Springtails, Diplurans and Bristletails
Mayflies, Dragonflies and Damselflies: The "Old Winged" Insects
Stoneflies
Cockroaches, Termites, Mantids and Other Orthopteroids
Grasshoppers, Crickets and Katydids
True Bugs and Other Hemipteroids
Butterflies and Moths
Caddisflies
Lacewings, Antlions, Fishflies and Related Insects
Beetles
Flies, Scorpionflies and Fleas
Sawflies, Wasps, Bees and Ants
Non-insect Arhropods
Observing, Collecting and Photographing Insects
Insect Picture Keys
Selected References
Acknowledgments
Index of Photographs
General Index