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This book is intended to serve as an introduction to the pests of stored foodstuffs of all types on a worldwide basis, and as a broad reference text. It is aimed at being complementary to the more detailed and more specific texts that are listed in the References. It does presuppose an adequate basic knowledge of entomology and zoology in the user. The stored products mentioned in the text are commercial products in the widest sense, including all types of plant and animal materials in addition to grain and prepared foodstuffs. Storage is viewed very broadly, from one day on a shelf to several years in a silo, or refrigerated store at -20 DegreesC. In many publications the produce surveyed has been restricted to stored grains, because of their obvious importance to human society, and because of the great quantities involved. For many different materials, of both plant and animal origin, there is a shortage of specific information, but it is to be hoped that this situation will gradually be rectified. It should be clearly understood that any reference to animal pests is made in the strict zoological sense, and refers to any members of the Kingdom Animalia. There is a regrettable tendency in some circles to use the term 'animal' as being synonymous with 'mammal' - a habit to be deplored! There is definite emphasis on animal pests in this text, but micro-organisms are included where relevant.
In the last few decades there has been an ever-increasing component in most BSc Zoology degree courses of cell biology, physiology and genetics, for spectacular developments have taken place in these fields. Some aspects of biotechnology are now also being included. In order to accommodate the new material, the old zoology courses were altered and the traditional two-year basis of systematics of the animal kingdom, comparative anatomy (and physiology) and evolution, was either severely trimmed or reduced and presented in an abridged form under another title. Soon after these course alterations came the swing to modular teaching in the form of a series of shorter, separate courses, some of which were optional. The entire BSc degree course took on a different appearance and several different basic themes became possible. One major result was that in the great majority of cases taxonomy and systematics were no longer taught and biology students graduated without this basic training. We field biologists did appreciate the rising interest in ecology and environ mental studies, but at the same time lamented the shortage of taxonomic skills, so that often field work was based on incorrect identifications. For years many of us with taxonomic inclinations have been bedevilled by the problem of teaching systematics to undergraduates. At a guess, maybe only 5% of students find systematics interesting. It is, however, the very basis of all studies in biology - the correct identification of the organism concerned and its relationships to others in the community."
This is a textbook providing basic data about the crop pests and the damage they inflict throughout the tropics and sub-tropics. Each major pest is illustrated by either a line drawing or a photograph, and sometimes the damage can also be seen. A world distribution map is provided for each species. Control measures tend to be general rather than very specific. Most of the pests are insects and mites, but some nematodes, molluscs, birds and mammals are included.
In the last few decades there has been an ever-increasing component in most BSc Zoology degree courses of cell biology, physiology and genetics, for spectacular developments have taken place in these fields. Some aspects of biotechnology are now also being included. In order to accommodate the new material, the old zoology courses were altered and the traditional two-year basis of systematics of the animal kingdom, comparative anatomy (and physiology) and evolution, was either severely trimmed or reduced and presented in an abridged form under another title. Soon after these course alterations came the swing to modular teaching in the form of a series of shorter, separate courses, some of which were optional. The entire BSc degree course took on a different appearance and several different basic themes became possible. One major result was that in the great majority of cases taxonomy and systematics were no longer taught and biology students graduated without this basic training. We field biologists did appreciate the rising interest in ecology and environ mental studies, but at the same time lamented the shortage of taxonomic skills, so that often field work was based on incorrect identifications. For years many of us with taxonomic inclinations have been bedevilled by the problem of teaching systematics to undergraduates. At a guess, maybe only 5% of students find systematics interesting. It is, however, the very basis of all studies in biology - the correct identification of the organism concerned and its relationships to others in the community."
This book is intended to serve as an introduction to the pests of stored foodstuffs of all types on a worldwide basis, and as a broad reference text. It is aimed at being complementary to the more detailed and more specific texts that are listed in the References. It does presuppose an adequate basic knowledge of entomology and zoology in the user. The stored products mentioned in the text are commercial products in the widest sense, including all types of plant and animal materials in addition to grain and prepared foodstuffs. Storage is viewed very broadly, from one day on a shelf to several years in a silo, or refrigerated store at -20 DegreesC. In many publications the produce surveyed has been restricted to stored grains, because of their obvious importance to human society, and because of the great quantities involved. For many different materials, of both plant and animal origin, there is a shortage of specific information, but it is to be hoped that this situation will gradually be rectified. It should be clearly understood that any reference to animal pests is made in the strict zoological sense, and refers to any members of the Kingdom Animalia. There is a regrettable tendency in some circles to use the term 'animal' as being synonymous with 'mammal' - a habit to be deplored! There is definite emphasis on animal pests in this text, but micro-organisms are included where relevant.
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