Further evidence for the variability of the 18S rDNA loci in the family Tingidae (Hemiptera, Heteroptera)

By

Golub, Natalia
Golub, Victor
Kuznetsova, Valentina G.

Type

Article

Date of Publication

2016

Original Publication

Comparative cytogenetics : international journal of plant & animal cytogenetics, karyosystematics and molecular systematics

Volume

10

Series / Issue

Issue: 4

Pages

517-527

Subjects

Cimicomorpha , Fish , Hemiptera , karyotype , Lace bugs , major rDNA cluster

Contributed by

Pensoft Publishers

Language

English

Published by

St. Petersburg, Russia [Published] with technical support of Zoological Institute RAS [2007]-

Identifiers

DOI: https://doi.org/10.3897/CompCytogen.v10i4.9631

 

Abstract

As of now, within the lace bug family Tingidae (Cimicomorpha), only 1.5% of the species described have been cytogenetically studied. In this paper, male karyotypes of Stephanitis caucasica, S. pyri, Physatocheila confinis, Lasiacantha capucina, Dictyla rotundata and D. echii were studied using FISH mapping with an 18S rDNA marker. The results show variability: the major rDNA sites are predominantly located on a pair of autosomes but occasionally on the X and Y chromosomes. All currently available data on the distribution of the major rDNA in the Tingidae karyotypes are summarized and shortly discussed. Our main concern is to clarify whether the chromosomal position of rDNA loci can contribute to resolving the phylogenetic relationships among the Tingidae taxa.