Brachaspis robustus is an endangered protected species of grasshopper from South Island, New Zealand. Two species of grasshoppers are listed for protection under the Wildlife Act 1953 of New Zealand this include B. robustus and Sigaus childi. Sigaus takahe is also protection under the Wildlife Act 1953 indirectly as it is only known from the Murchison Mountains Specially Protected (Takahē) Area. Brachaspis robustus is very distinctive from all other New Zealand grasshoppers as its escape behaviour is heavily dependent on its cryptic colouring and most time relies on motionless behaviour rather than active escape.In 1993 it was estimated that were only approximately 800 adults in the wild. By the end of 2009/2010 summer it is estimated that the adults populations has decline to approximatel