Résultat de la recherche
11 recherche sur le mot-clé
'Gamme d'hote' 


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M. Ellsbury ; M. Nielson | 1981![]()
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P. Sunnucks ; D. Chisholm ; E. Turak ; D. Hales | 1998The aim of this study was to test whether host plant responses of Sitobion aphids have evolved under parthenogenesis and to examine the relationship between genetic and phenotypical similarity. There are four known chromosomal races of Australia[...]![]()
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D. Chen ; C. Montllor ; A. Purcell | 2000The effects of two bacterial endosymbionts, designated PASS and PAR, were evaluated on the pea aphid, Acyrthosiphon pisum (Harris) (Hemiptera:Aphididae), in which they occur facultatively, and on the blue alfalfa aphid, A. kondoi Shinji, in whic[...]![]()
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V. Traicevski ; S. Ward | 20021. Reciprocal transfer experiments were undertaken using four different hosts to examine the effects of a change in host at adult moult on the probing behaviour of the cowpea aphid Aphis craccivora Koch. 2. The highest intrinsic rate of increase[...]![]()
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S. Via ; A. Bouck ; S. Skillman | 2000Sympatric races of pea aphids on alfalfa and red clover are highly ecologically specialized and significantly reproductively isolated. Much of the restriction of gene how between the specialized populations is due to habitat choice behavior of t[...]![]()
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M. Hori | 1999The role of plant odors in the host finding behaviors of aphids was investigated by examining the olfactory responses of 3 Uroleucon species, U. gobonis (Matsumura), U. adenophorae (Matsumura) and U. kikioense (Shinji), against host and non-host[...]![]()
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M. Markkula | 1963![]()
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T. Fukatsu ; N. Nikoh ; R. Kawai ; R. Koga | 2000The secondary intracellular symbiotic bacterium (S-symbiont) of the pea aphid Acryrthosiphon pisum was investigated to determine its prevalence among strains, its phylogenetic position, its localization in the host insect, its ultrastructure, an[...]