Chromosome studies, using the aceto-orcein smear technique, were made on embryonic tissue of eight Amblyseius Berlese species of the family Phytoseiidae. A haploid number of 4 chromosomes and a diploid of 8 were found.
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Wysoki, M., McMurtry, J.A. Karyotypes of eight species of phytoseiid mites of the genus Amblyseius Berlese (Acarina: Mesostigmata). Genetica 47, 237–239 (1977). https://doi.org/10.1007/BF00123245
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DOI: https://doi.org/10.1007/BF00123245