Resource Specialization in Puddling Lepidoptera
نویسندگان
چکیده
منابع مشابه
Resource Specialization in Puddling Lepidoptera
Lepidoptera feed at mud puddles, dung, and carrion in a behavior known as puddling. Sodium and sometimes protein are feeding cues, are actively collected, and play a potentially important role in lepidopteran nutritional and mating ecology. We showed that montane butterßy species have feeding preferences among mud, herbivore dung, and carnivore dung, and that these preferences differed among bu...
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Smedly & Eisner (1995, 1996) stressed the difficulties that terrestrial herbivores, including Lepidoptera, suffer in order to fulfill their need for sodium, an essential ion plentiful in the seas, but in short supply in plants. Adult Lepidoptera drink from puddles, edges of streams, carrion, and excreta from which they obtain sodium and proteins (Beck et al. 1999). Puddling behavior is typicall...
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We study the evolution of resource utilization in a structured discrete-time metapopulation model with an infinite number of patches, prone to local catastrophes. The consumer faces a trade-off in the abilities to consume two resources available in different amounts in each patch. We analyse how the evolution of specialization in the utilization of the resources is affected by different ecologi...
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A simple model is formulated in which the growth of a consumer population is regulated by the diversity, quantity, and quality of alternate environmental resources. Equilibrium population size is dependent not only upon these resource characteristics, but upon the pattern of resource exploitation by the consumer. It is proven that in many circumstances, an exploitation pattern in which each ind...
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We studied the spatiotemporal characteristics of cortical activity in early visual areas and the fusiform gyri (FG) by means of magnetoencephalography (MEG). Subjects performed a visual classification task, in which letters and visually similar pseudoletters were presented in different surrounds and under different task demands. The stimuli appeared in a cued half of the visual field (VF). We o...
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ژورنال
عنوان ژورنال: Environmental Entomology
سال: 2004
ISSN: 0046-225X,1938-2936
DOI: 10.1603/0046-225x-33.4.1020