Neoconocephalus robustus, known generally as the robust conehead or crepitating conehead, is a species of conehead in the family Tettigoniidae. It is found in North America.The song of this insect has an incredible volume of 116 decibels.The peak frequency of the song is 6 kilohertz and the sound can be heard from 500 meters away, even in a driving car with closed windows. From a distance, the song has a whining quality but at close range, it becomes painful to listen to.