 Their colouration is variable ; black combined with red and yellow is a common pattern , and many species have golden @-@ coloured pubescence ( hair ) . Many other species are brightly coloured , which warns predators to avoid them . The <unk> ant Camponotus <unk> is similar in appearance to M. fulvipes , and data suggests C. <unk> is a <unk> mimic of M. fulvipes . The number of malpighian tubules differs between castes ; in M. dispar , males have 16 tubules , queens range from 23 to 26 , and workers have 21 to 29 . 
