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A review of karyotype variation in jumping plant-lice (Psylloidea, Sternorrhyncha, Hemiptera) and checklist of chromosome numbers

100%

Maryanska-Nadachowska A.

tom 50

nr 3-4

135-152

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.

Remarks on chromosomal numbers and anatomy of the male reproductivesystem in Triozidae (Psylloidea, Homoptera)

100%

Maryanska-Nadachowska A. , Glowacka E.

tom 45

125-131

Karyotypes and morphology of the male reproductive system of seven species of Psylloidea (Trioza abdominalis, T. cirsii, T. dispar, T. flavipennis, T. munda, T. senecionis, and Bactericera femoralis) were described for the first time.

Standard and C-banded meiotic karyotypes of Psylloidea (Sternorrhyncha, Homoptera, Insecta)

100%

Maryanska-Nadachowska A. , Kuznetsova V. , Nokkala S.

nr 1-2

53-62

Meiotic karyotypes were studied in males of Craspedolepta sonchi (Foerster, 1848), Diaphorina chobauti Puton, 1898, D. lamproptera Burckhardt, 1981, Psylla hartigii Flor, 1861, Cacopsylla palmeni (Loew, 1878), C. hippophaes (Foerster, 1848), C. melanoneura (Foerster, 1868), C. pyricola (Foerster 1848), C. moscovita (Andrianova, 1848), Bactericera salicivora (Reuter, 1876), Trioza abdominalis Flor, 1861, T. lauri = Lauritrioza alacris (Flor, 1861). Karyotypes were 2n = 25 (24 + XO) in all species except B. salicivora with 2n = 26 (24 + neo-XY). Testes consisted of two follicles each in all species but P. hartigii with four-follicular testes in males. The discussion covers the problems of chromosome numbers, sex-determining chromosome systems, B-chromosomes, patterns of C- banding, testis structure, and spermatid development in Psylloidea.

B-chromosome polymorphism in Rhinocola aceris (L.) (Psylloidea, Homoptera

100%

Maryanska-Nadachowska A.

nr 3-4

115-121

Different morphological types of B-chromosomes in Rhinocola aceris from Katowice (southern Poland) were found for the first time in Psylloidea. Four types of supernumerary chromosomes: B1, B2, B3, and B4 were described on the basis of their morphology and heterochromatin pattern. Their behaviour during meiosis suggests a high tolerance of this species for different numbers of B-chromosomes.

Meiotic karyotypes in males of nineteen species of Psylloidea (Hemiptera) in the families Psyllidae and Triozidae

88%

Labina E. S. , Maryanska-Nadachowska A. , Kuznetsova V. G.

nr 1-2

27-34

Meiotic karyotypes in males of 16 species (assigned to 9 genera and 7 subfamilies) of the family Psyllidae and 3 species (assigned to 3 genera of the subfamily Triozinae) of the family Triozidae are described for the first time. The first data on the genus Ligustrinia are presented. All the species were shown to exhibit the modal karyotype for psyllids, 2n = 24 + X, except Bactericera nigricornis and Arytainilla spartiophila, in which 2n = 24 + XY and 2n = 22 + X were found, respectively. The karyotype of Ctenarytaina eucalypti (Psyllidae, Spondyliaspidinae) was reinvestigated, and the karyotype 2n = 10 + X, characteristic of Spondyliaspidinae, was revealed. The karyotypes of Strophingia fallax, S. arborea, and Craspedolepta topicalis were studied using the C-banding technique.