This is a homemade ant aspirator for collecting ant queens. I have confirmed that it can collect queen ants of the size of Camponotus japonicus. The first image is an overall view. The second image shows the structure. It is designed to prevent sand, debris, and ants from flowing back, and has high performance almost identical to commercially available ant nest aspirators. The third image shows the charging hole. *Please provide your own charging cable. Please purchase only if you understand that this is a handmade item. Ant Aspirator Camponotus japonicus Pheidole noda Formica japonica Formica sanguinea Ant nest