This photo shows the larvae (C), adults (D) and damage symptoms of Galeruca daurica Joannis (Coleoptera: Chrysomelidae). This leaf beetle began to outbreak seriously in the Inner Mongolian grasslands since 2009 and has caused great losses. Its occurrence region is expanding constantly and the damage is intensifying. In this issue (pp. 212-217), a study on the supercooling capacity and cold hardiness of the beetle is reported. Photos A-C by PANG Bao-Ping and photo D by HAO Xiang in the grasslands of Siziwangqi and Xilinhaote, Inner Mongolia on June 25, 2013 and on September 1, 2012, respectively.