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关于两种叶蝉(叶蝉科:同翅目)的染色体。

On the chromosomes of two species of jassids (Cicadellidae: Homoptera).

作者信息

Sharma O P, Gupta S C

出版信息

Cytobios. 1980;29(113):37-41.

PMID:7471812
Abstract

Chromosome number and and male meiosis of Hishimonus phycitis and Chiasmus arori of the sub-family Deltocephalinae (Family: Cicadellidae) is discussed. The diploid chromosome number in H. phycitis was found to be 2n = 11-12 with a sex-mechanism of the XO:XX type, while 2n = 16 with a sex-mechanism of XX:XY has been observed in the case of Chiasmus arori. The gonial chromosomes in H. phycitis are gradually seriated, while the diploid complement of C. arori is characterized by a pair of large chromosomes. The mode of male meiosis follows the typical pattern of the family Cicadellidae and is essentially similar in the two species.

摘要

本文讨论了扁角叶蝉亚科(叶蝉科)的茶角盲蝽和阿氏叉脉叶蝉的染色体数目及雄性减数分裂。茶角盲蝽的二倍体染色体数目为2n = 11 - 12,性机制为XO:XX型,而阿氏叉脉叶蝉的二倍体染色体数目为2n = 16,性机制为XX:XY型。茶角盲蝽的生殖细胞染色体逐渐排列,而阿氏叉脉叶蝉的二倍体染色体组以一对大染色体为特征。雄性减数分裂模式遵循叶蝉科的典型模式,且在这两个物种中基本相似。

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