823 Polyneoptera karyotypes covering grasshoppers, crickets, cockroaches, termites, and related orders, documenting sex chromosome systems and chromosome numbers.
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Citation: Sylvester, T., Hjelmen, C.E., Hanrahan, S.J., Lenhart, P.A., Johnston, J.S. and Blackmon, H., 2020. Lineage-specific patterns of chromosome evolution are the rule not the exception in Polyneoptera insects. Proceedings of the Royal Society B, 287(1935), p.20201388.