Recently, Simmons and Ridsdill-Smith edited a wide-ranging review of the literature on the ecology and evolution of dung beetles.
Although it is estimated that there are more than dung beetle species in Africa alone, the olfactory ecology of dung beetles remains a largely unexplored yet potentially very fertile research field. Little research has been carried out on the chemical aspects of the ecology of dung beetles, and practically no information was available on the existence, the modes of operation, and the chemical structures of sex attractants of dung beetles before the work discussed in this chapter commenced in On the basis of their nesting behavior, dung beetles of the subfamily Scarabaeinae can be divided into three groups: The paracoprids construct their nests under a dung pat by excavating tunnels in which the dung is packed; the endocoprids excavate a chamber in the dung pat itself, forming brood balls within this chamber; and the telecoprids detach a portion of dung from the pat, rolling it some distance from the dung source before burying it.
Larvae and adults of the majority of species of the subfamily Scarabaeinae are coprophagous, and are morphologically adapted to feed on vertebrate excrement Halffter and Matthews Adult dung beetles ingest only the liquid or colloidal constituents of the dung by squeezing portions of the moist dung between highly specialized membranous mandibles and ingesting the expressed juice.
There are differences in the courtship, mating, and brooding behavior of the Scarabaeinae species.
New evidence connects dung beetle evolution to dinosaurs
Telecoprids prepare a brood ball from fresh dung, roll the ball to an apparently carefully selected spot at a distance from the dung pat or dung midden, where the female deposits an egg in a chamber constructed at the top of the dung ball. The larva feeds on whole dung particles with the aid of its chewing mouthparts until eventually it pupates Waterhouse The next generation, as well as the adult beetles that have overwintered in the soil, emerge from the soil after the first summer rains when temperatures are high enough for habitation and when the soil is moist enough for the beetles to break free from the brood chamber or from the hard soil.
Dung beetles are attracted to dung on which they feed, and after a feeding period of a few weeks the beetles that have overwintered in the soil and those that breed in their first season are ready to start breeding. In areas with intact ecology, dung beetles of many species arrive in the thousands at a dung pat or rhinoceros midden. Schrijf een review. E-mail deze pagina. Bekijk video. Auteur: Leigh W. Simmons Leigh W. Samenvatting This book describes the evolutionary and ecological consequences of reproductive competition for scarabaeine dung beetles. As well as giving us insight into the private lives of these fascinating creatures, this book shows how dung beetles can be used as model systems for improving our general understanding of broad evolutionary and ecological processes, and how they generate biological diversity.
Ecology and Evolution of Dung Beetles | NHBS Academic & Professional Books
Over the last few decades we have begun to see further than ever before, with our research efforts yielding new information at all levels of analysis, from whole organism biology to genomics. This book brings together leading researchers who contribute chapters that integrate our current knowledge of phylogenetics and evolution, developmental biology, comparative morphology, physiology, behaviour, and population and community ecology. Dung beetle research is shedding light on the ultimate question of how best to document and conserve the world's biodiversity.
The book will be of interest to established researchers, university teachers, research students, conservation biologists, and those wanting to know more about the dung beetle taxon.
Toon meer Toon minder. Recensie s The result is a complete book, highlighting however that there is still much to learn from these creatures. J Insect Conserv, 9 February Whilst this is already an interesting read, my overwhelming feeling is that there is an opportunity to greatly extend work on the ecology of dung beetles, with a real hope that they will provide genuine insight into common ecological problems.
Perhaps this feeling is just what the authors hoped would be produced by their work. The evolution of parental care in the onthophagine dung beetles John Hunt and Clarissa House 9.
The visual ecology of dung beetles Marcus Byrne and Marie Dacke The ecological implications of physiological diversity in dung beetles Steven L. Chown and C. Jaco Klok Dung beetle populations: structure and consequences Tomas Roslin and Heidi Viljanen Biological control: ecosystem functions provided by dung beetles T. James Ridsdill-Smith and Penny B. Edwards Dung beetles as a candidate study taxon in applied biodiversity conservation research Elizabeth S.
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