Karyotype and the sex determining mechanism of the mite Hemisarcoptes coccophagus Meyer (Acarifomes: Astigmata: Hemisarcoptidae)

Sergey Izraylevich, Uri Gerson, Manes Wysoki

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Hemisarcoptes coccophagus Meyer (Acariformes: Astigmata: Hemisarcoptidae) is a parasite of armored scale insects (Homoptera: Diaspididae). This mite can adjust the sex ratio of its progeny. We found that H. coccophagus has a diploid karyotype with 2n=14 in both sexes; the sex determining mechanism is either diplo-diploidy or parahaploidy. This provides one of the few examples, and the first in the Acariformes, of a non-arrhenotokous arthropod genetic system with the ability of facultative sex ratio adjustment.

Original languageEnglish
Pages (from-to)229-232
Number of pages4
JournalInternational Journal of Acarology
Volume21
Issue number4
DOIs
StatePublished - Dec 1995

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