Abstract:
:The genetic composition and sex ratio in the Stockholm populations of Adalia bipunctata have been studied. The overall frequency of melanics is 3.2%, which is significantly lower than in the populations of St. Petersburg and other large cities along the Baltic Sea. The secondary sex ratio in the Stockholm populations is female-biased 82:18. More than half of A. bipunctata females are infected with the male-killing Spiroplasma bacterium. Beetles of the co-existing species Adalia decempunctata are infected with a different bacterium belonging to the genus Rickettsia.
journal_name
Hereditasjournal_title
Hereditasauthors
Zakharov IA,Shaikevich EVdoi
10.1111/j.1601-5223.2001.00263.xsubject
Has Abstractpub_date
2001-01-01 00:00:00pages
263-6issue
3eissn
0018-0661issn
1601-5223journal_volume
134pub_type
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