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PITCHER-PLANT MOSQUITO, WYEOMYIA SMITHII
We are concerned with the climatic factors that affect the adaptive radiation of species into and within the temperate zone. As one progresses northward, there is a decrease in summer temperaturesExpand
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Adaptation to the thermal climate of north america by the pitcher‐plant mosquito, wyeomyia smithii
We are concerned with the climatic factors that affect the adaptive radiation of species into and within the temperate zone. As one progresses northward, there is a decrease in summer temperaturesExpand
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On the colour polymorphism in Chrysolina aurichalcea (Mannerheim) (Coleoptera : Chrysomelidae) collected from four mountain districts.
form dominated at high altitude, while the cyaneus-form dominated at low altitude. Detai!ed collections at the Utsukushigahara Heights and in their vicinity showed that the reducing proportion of theExpand
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Biological pest control by enhancing populations of natural enemies in organic farming systems
In nature, ecological balance is maintained by biodiversity through a stable food-web. This concept has been adopted to integrated pest management in organic crop production to conserve naturalExpand
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Rapid Chromosomal Changes Inferred from Variation in Mitochondrial DNA Among Populations of the LeafBeetle Chrysolina aurichalcea (Coleoptera: Chrysomelidae) in Japan
Abstract There are two karyotypes among Japanese populations of the leaf beetle Chrysolina aurichalcea. In “Type 31” beetles, the diploid number of chromosomes is 2n=32 in females and 31 in males,Expand
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How can the minor species, Tectocepheus minor (Oribatida), dominate T. velatus in a no-tillage crop field?
Summary Seasonal population dynamics and spatio-temporal distribution patterns of the two Tectocepheus species were surveyed under a no-tillage field with two microhabitats, i. e. the conserved areaExpand
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Genetics of the two colour forms of Chrysolina aurichalcea (Mannerheim) (Coleoptera: Chrysomelidae) and their gene frequencies in two mountainous areas of central Honshu, Japan
Chrysolina aurichalcea (Mannerheim), which is common all over Japan, is univoltine and feeds mainly on Artemisia princeps. It is well known that this species has two forms according to the dorsalExpand
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