In order to exame the responses of Mexican Bean Beetle (Epila-chna varivestis) to SO2-polluted plants, the following studies were conducted: (1) direct and indirect fumigation (SO2 0.3ppm) ; ( 2 ) feeding preferences and (0) changes of feeding habits. The results showed that the pupal weights of Mexican Bean Beetles were havier when the larvae fed on SO2-fumigated leaves than when they fed on unfumigated leaves (p<0.05) . It was still true as compared with female pupae or male pupae alone between different ...