<ref name="Imai_et_al_2003">{{cite book |first1=H. T. |last1=Imai |first2=A. |last2=Kihara |first3=M. |last3=Kondoh |first4=M. |last4=Kubota |first5=S. |last5=Kuribayashi |first6=K. |last6=Ogata |first7=K. |last7=Onoyama |first8=R. W. |last8=Taylor |first9=M. |last9=Terayama |first10=Y. |last10=Tsukii |first11=M. |last11=Yoshimura |first12=Y. |last12=Ugawa |year=2003 |title=Ants of Japan |url=https://antcat.org/documents/4456/Imai_et_al_2003_Ants of Japan.pdf |location=Tokyo |publisher=Gakken |pages=224 pp. |isbn=}}</ref>