A Preliminary Guide To The Identification Of Dragonfly Larvae Odonata From The Alligator Rivers Region Of The Northern Territory
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A Preliminary Guide To The Identification Of Dragonfly Larvae Odonata From The Alligator Rivers Region Of The Northern Territory
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Author : John Henry Hawking
language : en
Publisher:
Release Date : 1992
A Preliminary Guide To The Identification Of Dragonfly Larvae Odonata From The Alligator Rivers Region Of The Northern Territory written by John Henry Hawking and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Dragonflies categories.
The Complete Field Guide To Dragonflies Of Australia
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Author : Albert Orr
language : en
Publisher: CSIRO PUBLISHING
Release Date : 2021-03
The Complete Field Guide To Dragonflies Of Australia written by Albert Orr and has been published by CSIRO PUBLISHING this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03 with Nature categories.
Dragonflies and damselflies are conspicuous insects: many are large and brightly coloured. They are also valuable indicators of environmental wellbeing. A detailed knowledge of the dragonfly fauna is therefore an important basis for decisions about environmental protection and management. This comprehensive guide to the Australian dragonfly fauna covers eight families of dragonflies and 10 families of damselflies, comprising the 113 genera and 333 species found in Australia. It has been updated with newly identified species and revised family names to reflect new world consensus systematics. Stunning full-colour images and distribution maps are accompanied by identification keys for adults as well as larvae, which are often used as bait for freshwater fish. This second edition of The Complete Field Guide to Dragonflies of Australia also includes illustrations by Albert Orr, one of the most renowned dragonfly illustrators. The extraordinary diversity of dragonflies will interest entomologists and amateur naturalists alike.
Dragonfly Larvae Of The River Murray System
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Author : John Henry Hawking
language : en
Publisher:
Release Date : 1986
Dragonfly Larvae Of The River Murray System written by John Henry Hawking and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Dragonflies categories.
The Australian Entomologist
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Author :
language : en
Publisher:
Release Date : 1993
The Australian Entomologist written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Entomology categories.
Key To Keys
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Author : John Henry Hawking
language : en
Publisher:
Release Date : 2000
Key To Keys written by John Henry Hawking and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Freshwater invertebrates categories.
Dragonfly Larvae Odonata
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Author : John Henry Hawking
language : en
Publisher:
Release Date : 1999
Dragonfly Larvae Odonata written by John Henry Hawking and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Dragonflies categories.
Australian Dragonflies
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Author : J Watson
language : en
Publisher: CSIRO PUBLISHING
Release Date : 1991-01-01
Australian Dragonflies written by J Watson and has been published by CSIRO PUBLISHING this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-01-01 with Science categories.
Dragonflies are conspicuous insects. Many are large; they fly strongly; most are brightly coloured. As a result, they have been collected extensively. Their larvae are less familiar. 'Mud-eyes', as some are called, are drab, and almost all live in fresh waters, out of sight. They are, perhaps, best known as bait for freshwater fish. The dragonflies constitute a very distinct order of insects, the Odonata. In Australia, two suborders are represented: damselflies (Zygoptera), generally very slender insects, the fore- and hindwings similar in shape and venation and commonly held closed above the body at rest (Figs 46-63), the larvae with external gills on the end of the abdomen (Figs 4A-C, E); and dragonflies proper (Anisoptera), stouter, stronger-flying insects, the fore- and hindwings more or less dissimilar in shape and venation and commonly held spread at rest (Figs 64-101), the larvae with internal, rectal gills (see Chapter 2). Living representatives of the third suborder (Anisozygoptera) are confined to Japan and the Himalayas. The term 'dragonfly' is commonly applied to the entire order.
Dragonflies Odonata From The Northern Territory
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Author : J. A. L. Watson
language : en
Publisher:
Release Date : 1980
Dragonflies Odonata From The Northern Territory written by J. A. L. Watson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Dragonflies categories.
Dragonfly Nymphs Of North America
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Author : Kenneth J. Tennessen
language : en
Publisher: Springer
Release Date : 2019-03-11
Dragonfly Nymphs Of North America written by Kenneth J. Tennessen and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-11 with Science categories.
This monograph is the first of its kind devoted entirely to the dragonfly nymphs of North America north of Mexico, the focus being accurate identification of the 330 species of Anisoptera that occur in the region. Nymphal external morphology is described and illustrated in detail, and all terms needed to navigate the dichotomous keys are defined. Species are tabulated with references that provide the most detailed, accurate descriptions for each; species that are inadequately described are so indicated. The key separating the seven families in the region contains several new characters. The families are then covered separately: Aeshnidae (13 genera), Gomphidae (17 genera), Petaluridae (2 genera), Cordulegastridae (2 genera), Macromiidae (2 genera), Corduliidae (7 genera), and Libellulidae (29 genera). Each family is further characterized, followed by a generic key. A drawing of the habitus and diagnostic details for each genus are provided, along with additional diagnostic remarks and notes on habitat and life cycle; for each genus, a map shows its geographic distribution in North America. Full-grown nymphs of all known species of each genus are keyed and diagnosed; characters that apply to earlier instars are noted. Morphological variation in character states was analyzed in order to assess the reliability of previously utilized characters and to discover new characters. Most of the characters used to distinguish all levels of taxa are illustrated; a total of 702 figures, comprising 1,800 original drawings, along with selected photographs where necessary for clarity, accompany the keys. Measurements of total length, head width, and other variables for each species are provided in tables. Difficulties with past keys and descriptions, including errors, omissions and other shortcomings, are addressed. The importance of nymph characters in helping solve generic and specific distinctions and their role in phylogenetic studies is emphasized. Methods for collecting, rearing, and preserving dragonfly nymphs and exuviae are presented. The final chapter discusses research opportunities on North American Anisoptera nymphs, including taxonomic needs, studies on structure and function, life history and microhabitat, water quality indices and conservation efforts. The habitus drawings of all genera are arranged according to family in five plates (Appendix I); although the book is intended as a lab manual, these plates conveniently allow for comparison based on nymph shape making field identification to genus possible in many cases. Appendix II contains a brief history of dragonfly nymph studies in North America. A glossary and an index to scientific names are included.
Chironomids
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Author : P. S. Cranston
language : en
Publisher: CSIRO Publishing
Release Date : 1994
Chironomids written by P. S. Cranston and has been published by CSIRO Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Science categories.
The Chironomidae popularly are called "non-biting midges" to distinguish them from their biting relatives. Although the impact of these flies excludes human-feeding and disease transmission, chironomids are still the subject of much study. This book presents current research on topics such as the use of chironomid larvae in pollution monitoring; austral chironomid patterns; biology and control; chironomid communities and auto-ecology; morphology and systematics of chironomids. The value of chironomids and other aquatic biota in the monitoring of waterway health is emphasised with reviews from both the northern and southern hemispheres.