Download Insect Movement: Mechanisms and Consequences (Symposia of by I. P. Woiwod - D. R. Reynolds - C. D. Thomas PDF

By I. P. Woiwod - D. R. Reynolds - C. D. Thomas

Wisdom of insect circulation, fairly of flight, is essential to our realizing of the nice ecological and evolutionary luck of bugs. The final twenty years have noticeable many advances during this topic region. New fields have arisen, equivalent to metapopulation idea, and dramatic advancements have taken position in equipment of learning circulate, due to new suggestions in molecular biology and radar tracking. There have additionally been advances in our wisdom of flight-related body structure and behavior. This e-book, that is in accordance with the most papers offered on the Royal Entomological Society's twentieth Symposium held in September 1999, brings us modern with those developments.It comprises chapters on:flight mechanismsforaging movementsmigrationthe evolution of move strategiesthe interactions among dispersal charges, inhabitants constitution and gene circulate the consequences of weather switch on geographical distributionIt is vital examining for entomologists, and of curiosity to these studying animal behaviour, body structure, ecology and genetics.

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Additional resources for Insect Movement: Mechanisms and Consequences (Symposia of the Royal Entomological Society of London)

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1. Number of species and mean body length for lineages in the North American fauna possessing only synchronous flight muscle, and for their sister clades characterized either partially or exclusively by possession of asynchronous flight muscle. Clade possessing synchronous flight muscle: No. 3 aThe Sister clade either partially or exclusively possessing asynchronous flight muscle: [Cercopoidea + Cicadelloidea] Prosorrhyncha (= Hemiptera) Coleoptera [Diptera + Strepsiptera] No. 7 mm. Species numbers are taken from Arnett (1985); calculations of mean body length are described in the text.

E. kinematics) and in the underlying aerodynamics of flight. e. the airspeed). Much variation in these parameters is associated with differences in body mass (m), a quantity which in the extant fauna ranges over seven orders of magnitude. Such variation in body mass in turn yields major differences in wingbeat kinematics among different taxa. For example, large butterflies exhibit wingbeat frequencies as low as 5 Hz, whereas some small flies have frequencies as high as 1000 Hz. 24 (Dudley, 2000).

The Evolutionary Escalation of Flight Performance Flight plays a central role in the lives of most pterygotes. A partial list of important insect behaviours mediated or facilitated by flight includes pollination, phytophagy, haematophagy, escape from predators and mate acquisition. In such various contexts, both natural and sexual selection have probably demanded ever-increasing flight performance through evolutionary time, whereas various agents of selection are often mutually reinforcing. Moreover, forces of both intra- and intersexual selection often act synergistically on manoeuvrability and flight capacity, thereby promoting rapid evolution in these traits.

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