Called in it's native domain the 'Giant Brown Cricket', Tropidacris dux is actually a grasshopper, just a truly gigantic grasshopper . T. dux is the largest of the Tropidacris genus. With it's huge wingspan, it is a wonder to behold in flight and has been felled with a shotgun by hunters who mistook them for birds. T. dux are listed as pests of banana, citrus and mango in many countries .