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At least 127 records · Page 7Linked to original sources
PubMed2000

Karyological notes on three weevil species from Armenia (Coleoptera, Curculionidae, Cleoninae).

Karyological studies were carried out on three Armenian weevil species from the subfamily Cleoninae. The following chromosome numbers were found in individual species: 2n = 38, n Male = 18 + Xyp in Menecleonus anxius (Gyllenhal, 1824), 2n = 40, n Male = 19 + Xyp in Conorhynchus nigrivittis (Pallas, 1781) and 2n = 44, n Male = 21 + Xyp in Lixus iridis Olivier, 1807. The heterochromosomes of all the examined species form, in the first meiotic metaphase, a typical parachute bivalent.

Animals↗
PubMed2002

[Analysis of tuberculosis mortality in Armenia].

The outpatient and patient histories were analyzed in 198 dead patients with tuberculosis. Particular concern is caused by an increase in mortality due to tuberculosis within a month after its detection. Clinically, there are predominant patients with progressive destructive forms of the disease. A total of 86.4% of the patients died directly from tuberculosis and its complications, the remaining (16.6%) patients died from other non-tuberculous diseases. The main cause of death from tuberculosis was its progression (50.1%), cardiopulmonary failure (34.3%), pulmonary hemorrhage (9%). A combination of several causes of death was noted in 33.1% of the patients who died from generalized tuberculosis.

Adolescent↗
PubMed2002

Karyological notes on six beetle species from Armenia (Coleoptera: Tenebrionidae, Cerambycidae, Curculionidae).

Karyotypic details were studied in males of six beetle species from three families, viz. Tenebrionidae: Dailognatha pumila Bdy. (2n = 20, n(male) = 9 + Xy(p)), Pachyscelis musiva Ménétr. (2n = 18, n(male) = 8 + Xy(p)), Pimelia capito Kryn. (2n = 18, n(male) = 8 + Xy(p)); Cerambycidae: Agapanthia walteri Reitt. (2n = 20, n(male) = 9+Xy(p)), Agapanthia korostelevi Danilevsky (2n = 20, n(male) = 9 + Xy(p)); Curculionidae: Phyllobius caucasicus Stierl. (2n = 22, n(male) = 10 + Xy(p)). The chromosome number and sex determining system of all beetle species are described for the first time. Evolutionary trends in karyotypes of the studied beetle groups are briefly discussed.

Animals↗
PubMedDate not supplied

[Results of a karyological study of blood-sucking flies (Diptera: Simuliidae) of Armenia].

Karyotypes of 31 species of black flies belonging to 11 genera have been examined. The morphology of polytene chromosomes from salivary glands of larvae and mitotic chromosomes of gonads and ganglia have been studied. It was found that most species have 2n = 6, except the Eusimulium species, which have 2n = 4. Each species is characterised by a specific pattern of polytene chromosomes. It was found that widely spread species are polymorphic in heterozygous inversions and additional B-chromosomes. The use of karyological studies in taxonomic diagnostics of black flies, especially in the cases when species are similar morphologically, was shown to be expedient.

Animals↗