1997年吉水县桔农反映蜗牛为害比往年严重。笔者1997年11月在西沙园前等桔园调查因蜗牛引起落果株平14kg,落果率为13％。调查时发现中熟温柑蜗牛危害严重,芦柑、甜橙未发现危害;密植园、郁闭严重、杂草多、潮湿盛果期中熟温柑园蜗牛危害特别严 In 1997 Jishui Orange farmers reflect the snail damage more serious than in previous years. In November 1997, the author investigated the orange garden in Xisha Garden and other places and caused the snail to fall 14kg and the fruit drop rate was 13%. Investigation found that medium temperature citrus snails serious harm, citrus, orange was found no harm; close planting, closed canyon, weeds and more wet, full of ripe fruits and vegetables during the warm citrus orchard snail hazards particularly