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Chromosomes of Belonocnematreatae Mayr, 1881 (Hymenoptera, Cynipidae).


ABSTRACT: Chromosomes of the asexual and sexual generation of the gall wasp Belonocnematreatae Mayr, 1881 (Cynipidae) were analyzed. Females of both generations have 2n = 20, whereas males of the sexual generation have n = 10. Cyclical deuterotoky is therefore confirmed in this species. All chromosomes are acrocentric and form a continuous gradation in size. This karyotype structure is probably ancestral for many gall wasps and perhaps for the family Cynipidae in general. Chromosome no. 7 carries a characteristic achromatic gap that appears to represent a nucleolus organizing region.

SUBMITTER: Gokhman VE 

PROVIDER: S-EPMC4488968 | biostudies-other | 2015

REPOSITORIES: biostudies-other

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