A review of karyotype variation in jumping plant-lice (Psylloidea, Sternorrhyncha, Hemiptera) and checklist of chromosome numbers
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Karyotype variation in Psylloidea (Hemiptera) was analysed. Chromosome numbers and type of chromosome sex determination of 153 species belonging to 51 genera and five out of six families (except tropical Phacopteronidae) are listed. Some important cytological characteristics, such as chromosome type, structure of karyotypes, sex determination type, pattern of male meiosis, type of chromosome rearrangements, and B chromosome occurrence, as well as the C-heterochromatin and NOR localization, are discussed. In addition, a comparison of chromosome systems between Psylloidea and other superfamilies of Sternorrhyncha (Aphidoidea, Coccoidea, and Aleyrodoidea) was undertaken.
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A. Maryanska-Nadachowska, Department of Experimental Zoology, Institute of Systematics and Evolution of Animals, Polish Academy of Sciences, Slawkowska 17, 31-016 Krakow, Poland