A.梨小食心蟲(chóng) B.梨大食心蟲(chóng) C.蘋(píng)果蠹蛾 D.桃小食心蟲(chóng)
A.體色不同 B.體長(zhǎng) C.桃小無(wú)臀櫛而梨小有4-7個(gè)臀櫛 D.其它特征
A.一齡若蟲(chóng) B.成蟲(chóng) C.二齡若蟲(chóng) D.受精雌成蟲(chóng)