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Multivalents inEutettix Apricus(Melich) with Notes on the Chromosomes of Five near Relatives (Jassidae, Homoptera)

 

作者:

 

期刊: Caryologia  (Taylor Available online 1975)
卷期: Volume 28, issue 4  

页码: 437-443

 

ISSN:0008-7114

 

年代: 1975

 

DOI:10.1080/00087114.1975.10796631

 

出版商: Taylor & Francis

 

数据来源: Taylor

 

摘要:

Individuals ofEutettix apricus(Melich), collected from nature, were found to possess multivalents in the spermotocytes—a rare phenomenon for chromosomes wth « diffuse centromere ». Translocation or fusion may be the cause for such a structural abnormality. Morphology and behaviour of gonial and spermatocyte chromosomes ofE. apricushave been compared withPhrynomorphus (= Athysanus)spp.,P.(=A.)indicus(Dist.?),P. (=A.)fusconervosus(Motsch?),P.(=A.)lineaticollis(Dist.) andNephotettix bipunctatus(Fabr.)—its near relatives.

 

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