C-banded male karyotypes. A Leucothyreus nolleti B Propomacrus davidi C Lamprima adolphinae D Scarabaeus variolosus. Large heterochromatin amplification can involve the X alone (A, B, C) and more rarely the Y (D).

 
 
  Part of: Dutrillaux A-M, Dutrillaux B (2019) Different behaviour of C-banded peri-centromeric heterochromatin between sex chromosomes and autosomes in Polyphagan beetles. Comparative Cytogenetics 13(2): 179-192. https://doi.org/10.3897/CompCytogen.v13i2.34746