This kind of wasp is building individual nests made out of mud. Then they lay an egg inside of each one and brings a reserve of food in it for the future larvae. This is the sound of the female wasp working on its mud coccoon. Recorded on a tascam dr-40 with a rode ntg-1.
Beard trimmer shaver handheld and cutting beard. Also good for an electrical buzz, fast vibration. Nice clean 24bit 48khz. Wavplease comment if you use and if you like let us know how you are using the sound.