Download or read book A Systematic Study of the Genus Aphytis Howard Hymenoptera Aphelinidae with Descriptions of New Species written by Harold Compere and published by . This book was released on 1955 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Systematic Study of the Genus Aphytis Howard Hymenoptera Aphelinidae with Descriptions of New Species written by Harold Compere and published by . This book was released on 1955 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Systematic Study of the Genus Aphytis Howard Hymenoptera Aphelinidae with Descriptions of New Species by Harold Compere written by Harold Compere and published by . This book was released on 1955 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Systematic Study of the Genus Aphytis Howard Hymenoptera Apholinidae written by Harold Compere and published by . This book was released on 1955 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Annotated Catalog of the Type Material of Aphytis Hymenoptera Aphelinidae in the Entomology Research Museum University of California at Riverside written by Serguei Triapitsyn and published by Univ of California Press. This book was released on 2008-11-18 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: The catalog provides information on the type of material of 75 valid species of the genus Aphytis Howard (Hymenoptera: Aphelinidae) in the collection of the Entomology Research Museum, University of California, Riverside. 7,390 specimens were remounted from Hoyer's medium into Canada balsam, including 309 primary types, 2,473 secondary types, and 4,608 non-type specimens. Lectotypes are designated for 11 species.
Download or read book A Biosystematic and Evolutionary Study with Some Species of Aphytis Howard Hymenoptera Aphelinidae written by Syed Khasimuddin and published by . This book was released on 1972 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Species of Aphytis of the World written by David Rosen and published by Springer. This book was released on 1979-09-30 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt: The great importance of accurate systematics for biological control has been pointed out and discussed time and again by numerous authors (see Clausen, 1942; Sabrosky, 1955; Schlinger and Doutt, 1964; Compere, 1969; Rosen and De Bach, 1973; DeBach, 1974; Delucchi, Rosen and Schlinger, 1976; and others) and does not require any further elaboration here. Suffice it to say that when natural enemies are being sought, or are transferred from one region to another in order to bring about biological control of an arthropod pest, correct identification of both the target pests and their natural enemies is an essential prerequisite for ultimate success. Failure in biological control has often resulted from inadequate systematics. This monograph, presenting a bio systematic revision of an important group of natural enemies, is therefore intended as a contribution to biological control as well as to basic science. The species of the genus Aphytis Howard (Hymenoptera: Cha1cidoidea: Aphelinidae) are minute, yellow or grayish wasps usually not exceeding one millimeter in length (see Figure I). They develop exclusively as primary ectoparasites of armored scale insects (Homoptera: Coccoidea: Diaspididae) and are the most important natural enemies of these serious pests. Armored scale insects are usually free beneath the hard covering scale or shield. The adult Aphytis female pierces the shield with the ovipositor and lays one to several eggs on the body of the scale insect.
Download or read book Species of Aphytis of the World written by David Rosen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Parasitoids in Pest Management written by Omkar and published by CRC Press. This book was released on 2023-03-13 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pests cause economic damage to crops and stored products, while vectors are responsible for the transmission of disease-causing agents in human beings and livestock. Although the application of synthetic pesticides in agriculture has given immediate relief, it has also caused well-known side effects, leading to a general consensus among entomologists and agriculturists to shift towards other ecofriendly pest management. Insect natural enemies consisting of predators, parasitoids, and pathogens have attracted the attention of scientists across the globe. These natural enemies exist in agroecosystems and suppress the populations of pests. Parasitoids are farmers’ friends and the most successful group of natural enemies. Highly specialised in their host choice, the female parasitoid searches for a suitable host to lay eggs and larvae in, on or near the hosts. Exploiting this potency of parasitoids may yield successful results in controlling notorious pests in an ecofriendly way. This book covers information on the important biocontrol agents effective in pest suppression. It starts with insect parasitic groups followed by specific groups of parasitoids. It is hoped that the book presents a comprehensive account of beneficial parasitoirds, and will be useful to undergraduate and postgraduate students of Entomology, Biological Control, Plant Protection, Agricultural Zoology, and Zoology, besides those involved in competitive examinations and policy planning. Features: Each chapter has been written by very experienced specialists Every chapter includes Learning Objectives and Points to Remember This book offers comprehensive knowledge of parasitoids and their application in pest management in a rational way
Download or read book Biological Control written by C. Huffaker and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: The explosive increase in the world's human population, with conse quent need to feed an ever-increasing number of hungry mouths, and the largely resultant disturbances and pollution of the environment in which man must live and produce the things he needs, are forcing him to search for means of solving the first problem without intensifying the latter. Food production requires adequate assurance against the ravages of insects. In the last three decades short-sighted, unilateral and almost exclusive employment of synthesized chemicals for insect pest control has posed an enormous and as yet unfathomed contribution to the degradation of our environment, while our insect pest problems seem greater than ever. Properly viewed, pest control is basically a question of applied ecology, yet its practice has long been conducted with little regard to real necessity for control, and in some cases, with little regard to various detrimental side-effects or long-term advantage with respect, even, to the specific crop itself. This book deals fundamentally with these questions. The development of pesticide resistance in many of the target species, against which the pesticides are directed, has occasioned an ever-increasing load of applications and complexes of different kinds of highly toxic materials. This has been made even more "necessary" as the destruction of natural enemies has resulted, as a side effect, in the rise to pest status of many species that were formerly innocuous. The application of broad-spec trum pesticides thus has many serious and self-defeating features.
Download or read book Agriculture Handbook written by Curtis Paul Clausen and published by . This book was released on 1978 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Set includes revised editions of some issues.
Download or read book To Make a Spotless Orange written by Richard C. Sawyer and published by Purdue University Press. This book was released on 2002-09 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: To Make A Spotless Orange is the story of science with a mission: the use of organisms to attack pests. Few states showed very little interest after the first commercial pesticides appeared in the late nineteenth century. In california alone, entomologists persevered in developing both the theory and practice of biological control. These entomologists were neither environmentalists nor health crusaders, but scientist s who believed that their method would be the cheapest and most effective in the long run.
Download or read book Classical Biological Control of Bemisia tabaci in the United States A Review of Interagency Research and Implementation written by Juli Gould and published by Springer Science & Business Media. This book was released on 2008-03-01 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews interagency research and development of classical (importation) biological control of Bemisia tabaci (biotype B) conducted in the USA from 1992- 2002. The successful discovery, evaluation, release, and establishment of at least five exotic B. tabaci natural enemies in rapid response to the devastating infestations in the USA represents a landmark in interagency cooperation and coordination of multiple disciplines. The review covers all key aspects of the classical biocontrol program, beginning with foreign exploration and quarantine culture, through dev- opment of mass rearing methodology, laboratory and field evaluation for efficacy, to field releases, integration with other management approaches, and monitoring for establishment and potential non-target impacts. The importance of morphological and molecular taxonomy to the success of the program is also emphasized. The book’s contributors include 28 USDA, state department of agriculture, and univ- sity scientists who participated in various aspects of the project. Bemisia tabaci continues to be a pest of major concern in many parts of the world, especially since the recent spread of the Q biotype, so the publication of a review of the biological control program for the B biotype is especially timely. We anticipate that our review of the natural enemies that were evaluated and which have established in the USA will benefit researchers and IPM practitioners in other nations affected by B. tabaci.
Download or read book Hilgardia written by and published by . This book was released on 1978 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book University Bulletin written by University of California, Berkeley and published by . This book was released on 1955 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Soft Scale Insects written by and published by Elsevier. This book was released on 1997-12-09 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soft Scale Insects is intended to be a further step towards providing comprehensive information on soft scale insects. Four or five decades ago, entomologists embarking on a study on soft scale insects would have encountered a scarcity of general text books or comprehensive treatise of the family, as a starting point for their research. At the time, the available knowledge and data were either scattered among numerous articles or regional monographs or were in obsolete books. It is hoped that this volume will cover almost the entire spectrum of the knowledge on the soft scale insect family, Coccidae. This book comprises six chapters and begins by discussing the natural enemies of soft scale insects, such as pathogens like entomopathogenic fungi; predators like coccineilidae and other coleoptera; and parasitoids like encyrtidae. It then discusses issues of damage and control, including pest status of soft scale insects and coccid pests of important crops. This book will be of interest to entomologists, horticulturists, zoologists, biologists, and those involved in general agricultural research.
Download or read book Introduced Parasites and Predators of Arthropod Pests and Weeds written by Curtis Paul Clausen and published by . This book was released on 1978 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt:
