Host Use and Resource Sharing by Fruit/Seed-Infesting Insects onSchoepfia schreberi(Olacaceae)

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Host use and resource sharing by fruit/seed-infesting insects on Schoepfia schreberi (Olacaceae).

The interactions between the fruit fly Anastrepha spatulata Stone (Diptera: Tephritidae) and two species of moths, the gelechiid Coleotechnites sp. and an unidentified tortricid species, were examined on their effects on seed production in terms of their exploitation within fruits of Schoepfia schreberi J.F. Gmel (Santalales: Olacaceae). The study was carried out in three experimental sites dur...

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COMMUNITY AND ECOSYSTEM ECOLOGY Host Use and Resource Sharing by Fruit/Seed-Infesting Insects on Schoepfia schreberi (Olacaceae)

The interactions between the fruit ßy Anastrepha spatulata Stone (Diptera: Tephritidae) and two species of moths, the gelechiid Coleotechnites sp. and an unidentiÞed tortricid species, were examined on their effects on seed production in terms of their exploitation within fruits of Schoepfia schreberi J.F. Gmel (Santalales: Olacaceae). The studywas carried out in three experimental sites during...

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The Insects Infesting Pinus Andnothofagus

The distribution ofliving and fossil Nothofagus in the southern hemisphere (Skottsberg 1949) suggests the possibility that it once played a part in colonising primitive and unstable soils comparable with that played by Pinus in the northern hemisphere. Each genus includes species which colonise rocky soils of mountain ranges and glacial, alluvial and volcanic deposits; each genus is, or has bee...

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Host Plant Selection by Insects

Host plant selection by insects is often divided into „host plant finding‟ and „host plant acceptance.‟ While the two are easy to separate conceptually, in practice, they are really part of a continuum of three, rather than two, inextricably bonded links. However, the central link of host plant finding, thought previously to be governed by volatile chemicals, has, until now, proved intractable ...

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Insects on plants: macroevolutionary chemical trends in host use.

Determining the macroevolutionary importance of plant chemistry on herbivore host shifts is critical to understanding the evolution of insect-plant interactions. Molecular phylogenies of the ancient and speciose Blepharida (Coleoptera)-Bursera (Burseraceae) system were reconstructed and terpenoid chemical profiles for the plant species obtained. Statistical analyses show that the historical pat...

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ژورنال

عنوان ژورنال: Environmental Entomology

سال: 2013

ISSN: 0046-225X,1938-2936

DOI: 10.1603/en12284