Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
WARD PS,"Systematic studies on pseudomyrmecine ants : revision of the Pseudomyrmex occulatus and P. subtilissimus species groups, with taxonomic comments on other species",Quaest Entomol,,,1989,25,,393-468,https://cir.nii.ac.jp/crid/1574231874683091072,