The field research was conducted in 2007, by M. Maruyama, Yûji Katayama and Takashi
Komatsu in Khao Yai National Park, 30 km northeast of Bangkok. Th e fungus
garden was carefully removed from the nest and crushed little by little on a white
plastic tray to fi nd symbiotic insects. Th e insects were observed and photographed on
fragments of the fungus garden. Th ey were fi nally put in 2 ml vials with 80% ethanol