Cytogenetic studies in Pentatomidae (Heteroptera): A review
The suborder Heteroptera constitutes one of the most important insect groups because most species are plants feeders and cause damage on many plants of economic importance. One of the most important cytogenetic characteristics of Heteroptera is the holokinetic nature of the chromosomes. One particul...
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todo:paper_09475745_v43_n3_p199_Rebagliati2023-10-03T15:49:23Z Cytogenetic studies in Pentatomidae (Heteroptera): A review Rebagliati, P.J. Mola, L.M. Papeschi, A.G. Grazia, J. Chromosome numbers Harlequin lobe Heteroptera Holokinetic chromosomes Pentatomidae Sex chromosome determining systems chromosome cytogenetics insect Heteroptera Insecta Pentatomidae Pentatomoidea Thyanta calceata The suborder Heteroptera constitutes one of the most important insect groups because most species are plants feeders and cause damage on many plants of economic importance. One of the most important cytogenetic characteristics of Heteroptera is the holokinetic nature of the chromosomes. One particular feature of some species of Pentatomidae is the regular presence of an abnormal meiosis in one testicular lobe (harlequin lobe). From the 28 species cytogenetically analysed from Argentine material, 21 present the diploid number 2n = 14, four species present a reduced number (2n = 12) and another three species possess an increased diploid number (2n = 16); among all these only three present an harlequin lobe. In the present work, a bibliographic review of the chromosome number and sex determining system of 294 species and subspecies belonging to 121 genera within the subfamilies Asopinae, Discocephalinae, Edessinae, Pentatominae, Phyllocephalinae and Podopinae is presented. The male diploid numbers range from six to 27 with a mode in 14 chromosomes; this last diploid number is present in 85% of the species. The sex chromosome determining system is XY/XX except in three species: Macropygium reticulare (Fabricius, 1803), Rhytidolomia senilis (Say, 1832) and Thyanta calceata (Say, 1832) which present derived sex chromosome systems. Furthermore, the cytogenetic relationships with the other families of Pentatomoidea are discussed. © 2005 Blackwell Verlag. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_09475745_v43_n3_p199_Rebagliati |
| institution |
Universidad de Buenos Aires |
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I-28 |
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R-134 |
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Chromosome numbers Harlequin lobe Heteroptera Holokinetic chromosomes Pentatomidae Sex chromosome determining systems chromosome cytogenetics insect Heteroptera Insecta Pentatomidae Pentatomoidea Thyanta calceata |
| spellingShingle |
Chromosome numbers Harlequin lobe Heteroptera Holokinetic chromosomes Pentatomidae Sex chromosome determining systems chromosome cytogenetics insect Heteroptera Insecta Pentatomidae Pentatomoidea Thyanta calceata Rebagliati, P.J. Mola, L.M. Papeschi, A.G. Grazia, J. Cytogenetic studies in Pentatomidae (Heteroptera): A review |
| topic_facet |
Chromosome numbers Harlequin lobe Heteroptera Holokinetic chromosomes Pentatomidae Sex chromosome determining systems chromosome cytogenetics insect Heteroptera Insecta Pentatomidae Pentatomoidea Thyanta calceata |
| description |
The suborder Heteroptera constitutes one of the most important insect groups because most species are plants feeders and cause damage on many plants of economic importance. One of the most important cytogenetic characteristics of Heteroptera is the holokinetic nature of the chromosomes. One particular feature of some species of Pentatomidae is the regular presence of an abnormal meiosis in one testicular lobe (harlequin lobe). From the 28 species cytogenetically analysed from Argentine material, 21 present the diploid number 2n = 14, four species present a reduced number (2n = 12) and another three species possess an increased diploid number (2n = 16); among all these only three present an harlequin lobe. In the present work, a bibliographic review of the chromosome number and sex determining system of 294 species and subspecies belonging to 121 genera within the subfamilies Asopinae, Discocephalinae, Edessinae, Pentatominae, Phyllocephalinae and Podopinae is presented. The male diploid numbers range from six to 27 with a mode in 14 chromosomes; this last diploid number is present in 85% of the species. The sex chromosome determining system is XY/XX except in three species: Macropygium reticulare (Fabricius, 1803), Rhytidolomia senilis (Say, 1832) and Thyanta calceata (Say, 1832) which present derived sex chromosome systems. Furthermore, the cytogenetic relationships with the other families of Pentatomoidea are discussed. © 2005 Blackwell Verlag. |
| format |
JOUR |
| author |
Rebagliati, P.J. Mola, L.M. Papeschi, A.G. Grazia, J. |
| author_facet |
Rebagliati, P.J. Mola, L.M. Papeschi, A.G. Grazia, J. |
| author_sort |
Rebagliati, P.J. |
| title |
Cytogenetic studies in Pentatomidae (Heteroptera): A review |
| title_short |
Cytogenetic studies in Pentatomidae (Heteroptera): A review |
| title_full |
Cytogenetic studies in Pentatomidae (Heteroptera): A review |
| title_fullStr |
Cytogenetic studies in Pentatomidae (Heteroptera): A review |
| title_full_unstemmed |
Cytogenetic studies in Pentatomidae (Heteroptera): A review |
| title_sort |
cytogenetic studies in pentatomidae (heteroptera): a review |
| url |
http://hdl.handle.net/20.500.12110/paper_09475745_v43_n3_p199_Rebagliati |
| work_keys_str_mv |
AT rebagliatipj cytogeneticstudiesinpentatomidaeheteropteraareview AT molalm cytogeneticstudiesinpentatomidaeheteropteraareview AT papeschiag cytogeneticstudiesinpentatomidaeheteropteraareview AT graziaj cytogeneticstudiesinpentatomidaeheteropteraareview |
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1782023982084521984 |