Nearly 260 taxa and chromosomal races of subfamily Chrysomelinae have been chromosomally analyzed showing a wide range of diploid numbers from 2n = 12 to 2n = 50. and four types of male sex-chromosome systems. with the parachute-like ones Xyp and XYp clearly prevailing (79. 0%). https://thecookiecountesses.shop/product-category/pyo-supplies/