Figure 9. Male diakinesis arrays. Note the sex chromosomal dimorphism in all species. Chiasma positions for the sex chromosomes are indicated by small bars. Also note the heteromorphic pairing of the chromosomes in the 9th bivalent of melanorhinus. A. S. torquatus (F5165), B. S. grammicus (F5624), C. S. clarkii (SIU 95), D. S. melanorhinus (Y44250), E. S. megalepidurus (F6201), F. S. asper (F5809). The bar between pairs 2 and 3 represents 10 micrometers.