稻(dao)飛虱(shi)(shi)(shi)(shi)：中(zhong)等發生(sheng)。8月(yue)上、中(zhong)旬各地(di)陸續有遷(qian)(qian)入(ru)，但燈(deng)(deng)下蟲(chong)(chong)(chong)(chong)量(liang)普(pu)遍(bian)不高(gao)；8月(yue)下旬至9月(yue)初，大(da)埔(pu)、紫金、揭西(xi)、南雄(xiong)、翁源、海(hai)豐、潮州、惠陽、博羅、懷集、新興、信宜等站(zhan)(zhan)(zhan)點監測(ce)(ce)到稻(dao)飛虱(shi)(shi)(shi)(shi)的(de)(de)(de)遷(qian)(qian)入(ru)蟲(chong)(chong)(chong)(chong)峰，遷(qian)(qian)入(ru)蟲(chong)(chong)(chong)(chong)量(liang)大(da)，遷(qian)(qian)入(ru)飛虱(shi)(shi)(shi)(shi)以褐(he)(he)飛虱(shi)(shi)(shi)(shi)為(wei)(wei)主(zhu)，主(zhu)降區域(yu)為(wei)(wei)粵(yue)東和粵(yue)北等地(di)。大(da)埔(pu)站(zhan)(zhan)(zhan)監測(ce)(ce)，8月(yue)26日(ri)-9月(yue)3日(ri)出現稻(dao)飛虱(shi)(shi)(shi)(shi)遷(qian)(qian)入(ru)蟲(chong)(chong)(chong)(chong)峰，單燈(deng)(deng)累計誘蟲(chong)(chong)(chong)(chong)量(liang)33875頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，其(qi)中(zhong)白(bai)背飛虱(shi)(shi)(shi)(shi)19672頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，褐(he)(he)飛虱(shi)(shi)(shi)(shi)14203頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，遷(qian)(qian)入(ru)蟲(chong)(chong)(chong)(chong)量(liang)極(ji)大(da)；揭西(xi)站(zhan)(zhan)(zhan)監測(ce)(ce)，8月(yue)8-10日(ri)單燈(deng)(deng)誘蟲(chong)(chong)(chong)(chong)量(liang)802頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，其(qi)中(zhong)白(bai)背飛虱(shi)(shi)(shi)(shi)748頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，8月(yue)26日(ri)-9月(yue)1日(ri)單燈(deng)(deng)誘蟲(chong)(chong)(chong)(chong)量(liang)3033頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，其(qi)中(zhong)褐(he)(he)飛虱(shi)(shi)(shi)(shi)2766頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)；南雄(xiong)站(zhan)(zhan)(zhan)監測(ce)(ce)，8月(yue)26日(ri)-9月(yue)1日(ri)單燈(deng)(deng)誘蟲(chong)(chong)(chong)(chong)量(liang)1219頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，其(qi)中(zhong)褐(he)(he)飛虱(shi)(shi)(shi)(shi)1079頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)；信宜站(zhan)(zhan)(zhan)調(diao)(diao)查，8月(yue)31日(ri)-9月(yue)3日(ri)單燈(deng)(deng)誘蟲(chong)(chong)(chong)(chong)量(liang)2163頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)。全(quan)省(sheng)9月(yue)1-7日(ri)田間調(diao)(diao)查，百(bai)(bai)叢(cong)蟲(chong)(chong)(chong)(chong)量(liang)平均386.2頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，高(gao)的(de)(de)(de)2300頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，褐(he)(he)飛虱(shi)(shi)(shi)(shi)占(zhan)(zhan)比(bi)平均25.0%，高(gao)的(de)(de)(de)85%。高(gao)州站(zhan)(zhan)(zhan)調(diao)(diao)查，百(bai)(bai)叢(cong)蟲(chong)(chong)(chong)(chong)量(liang)815頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，褐(he)(he)飛虱(shi)(shi)(shi)(shi)占(zhan)(zhan)比(bi)15.1%；懷集站(zhan)(zhan)(zhan)調(diao)(diao)查，百(bai)(bai)叢(cong)蟲(chong)(chong)(chong)(chong)量(liang)一般(ban)1246頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，褐(he)(he)飛虱(shi)(shi)(shi)(shi)占(zhan)(zhan)比(bi)17.6%；曲(qu)江(jiang)站(zhan)(zhan)(zhan)調(diao)(diao)查，百(bai)(bai)叢(cong)蟲(chong)(chong)(chong)(chong)量(liang)397頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，褐(he)(he)飛虱(shi)(shi)(shi)(shi)占(zhan)(zhan)比(bi)22.4%；梅縣(xian)站(zhan)(zhan)(zhan)調(diao)(diao)查，百(bai)(bai)叢(cong)蟲(chong)(chong)(chong)(chong)量(liang)20-30頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，高(gao)的(de)(de)(de)130-170頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)，以高(gao)齡若蟲(chong)(chong)(chong)(chong)、成(cheng)蟲(chong)(chong)(chong)(chong)為(wei)(wei)主(zhu)，褐(he)(he)飛虱(shi)(shi)(shi)(shi)占(zhan)(zhan)比(bi)15%-30%，高(gao)的(de)(de)(de)50%。
稻(dao)縱卷(juan)葉(xie)(xie)(xie)螟：偏輕(qing)、局部(bu)中(zhong)(zhong)等發生。田間發生分布不平(ping)衡，粵西、粵東局部(bu)稻(dao)區發生較重。全省(sheng)9月(yue)1-7日(ri)調查(cha)，畝蛾(e)(e)量(liang)平(ping)均262.9頭(tou)(tou)，高(gao)(gao)的(de)2000-3000頭(tou)(tou)，畝幼(you)(you)蟲量(liang)平(ping)均1813.4頭(tou)(tou)，高(gao)(gao)的(de)9350頭(tou)(tou)，卷(juan)葉(xie)(xie)(xie)率(lv)(lv)平(ping)均0.73%，高(gao)(gao)的(de)3.8%。廉江(jiang)(jiang)站(zhan)調查(cha)，早插植(zhi)田發生較重，畝幼(you)(you)蟲量(liang)一般420-1350頭(tou)(tou)，高(gao)(gao)的(de)3670頭(tou)(tou)，卷(juan)葉(xie)(xie)(xie)率(lv)(lv)1.2%-2.6%；梅縣(xian)站(zhan)調查(cha)，8月(yue)下旬中(zhong)(zhong)后期出現蛾(e)(e)峰(feng)，畝蛾(e)(e)量(liang)250-700頭(tou)(tou)，高(gao)(gao)的(de)1400頭(tou)(tou)，卷(juan)葉(xie)(xie)(xie)率(lv)(lv)0.3%-1.5%，高(gao)(gao)的(de)3.8%；新興(xing)站(zhan)調查(cha)，畝蛾(e)(e)量(liang)521頭(tou)(tou)，高(gao)(gao)的(de)1500頭(tou)(tou)，卷(juan)葉(xie)(xie)(xie)率(lv)(lv)0.2%，高(gao)(gao)的(de)1.2%；曲江(jiang)(jiang)站(zhan)調查(cha)，畝蛾(e)(e)量(liang)386.3頭(tou)(tou)，高(gao)(gao)的(de)1407頭(tou)(tou)，畝幼(you)(you)蟲量(liang)850頭(tou)(tou)，卷(juan)葉(xie)(xie)(xie)率(lv)(lv)0.2%。
據省(sheng)(sheng)氣候(hou)中心(xin)預(yu)測：9月我(wo)省(sheng)(sheng)除沿海地區雨量略多外，其余大部降水量偏少2成(cheng)左右，有3個主(zhu)要降雨過(guo)程和(he)1次弱冷(leng)空氣過(guo)程，登陸或(huo)嚴重影響我(wo)省(sheng)(sheng)的熱帶氣旋有1-2個,利于(yu)遷(qian)飛性(xing)害(hai)蟲遷(qian)入和(he)繁(fan)(fan)殖。我(wo)省(sheng)(sheng)晚(wan)稻(dao)大部分(fen)(fen)處于(yu)分(fen)(fen)蘗(bo)盛期至幼穗(sui)分(fen)(fen)化初期，營養條件(jian)豐富，利于(yu)遷(qian)飛性(xing)害(hai)蟲繁(fan)(fan)殖和(he)擴展(zhan)為(wei)害(hai)，預(yu)計晚(wan)稻(dao)幼穗(sui)分(fen)(fen)化期稻(dao)飛虱偏重發(fa)生(sheng)，稻(dao)縱卷葉螟中等發(fa)生(sheng)。
各(ge)地要加大(da)田間調查力(li)度，全面掌握遷飛性害蟲(chong)發(fa)生動態，及時發(fa)布(bu)預報預警，科學指導(dao)防治(zhi)。防治(zhi)稻飛虱可(ke)選用三氟(fu)苯嘧啶、氟(fu)啶蟲(chong)胺腈、呋蟲(chong)胺、噻嗪酮(tong)、吡蚜酮(tong)等藥(yao)劑，防治(zhi)稻縱(zong)卷葉螟(ming)可(ke)選用氯蟲(chong)苯甲酰胺、乙(yi)基多殺(sha)菌素、蘇云(yun)金桿(gan)菌、阿(a)維菌素、甘(gan)藍夜蛾核型多角體病毒等藥(yao)劑。
