TY - JOUR
T1 - Karyotype and the sex determining mechanism of the mite Hemisarcoptes coccophagus Meyer (Acarifomes: Astigmata: Hemisarcoptidae)
AU - Izraylevich, Sergey
AU - Gerson, Uri
AU - Wysoki, Manes
PY - 1995/12
Y1 - 1995/12
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=12644310412&partnerID=8YFLogxK
U2 - 10.1080/01647959508684064
DO - 10.1080/01647959508684064
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AN - SCOPUS:12644310412
SN - 0164-7954
VL - 21
SP - 229
EP - 232
JO - International Journal of Acarology
JF - International Journal of Acarology
IS - 4
ER -