Filipino orange tarantula after molting. They become browner with age. This tarantula is endemic to Negros Island, Philippines. Its size ranges from 10 to 13 cm in adulthood. Males of this species tend to have a shorter lifespan — less than 2 years (normal for a tarantula). Their diet mainly consists of insects living in the Negros region. As a rule, these are insect pests.