“…In the Pyrrhocoridae, X0 is considered the ancestral sex chromosome system, which is represented in 11 out of 22 species (Papeschi & Bressa, 2006;Verma & Kurl, 2009;Bardella et al, 2014). A multiple sex chromosome system (X 1 X 2 0) has been reported in 8 species of Dysdercus investigated (Piza, 1947a(Piza, , 1951Mendes, 1949;Manna, 1951;Sharma et al, 1957;Banerjee, 1958;Ray-Chaudhuri & Banerjee, 1959;Ruthmann & Dahlberg, 1976;Manna & Deb-Mallick, 1981;Kuznetsova, 1988;Suman, 2010), a species of Pyrrhopeplus (Parshad, 1957) and a species of Odontopus (Verma & Kurl, 2009), whereas a neo-X neo-Y sex chromosome system was described in another species of Dysdercus studied (Bressa et al, 1999;.…”