刺ci蛾e類lei害hai蟲chong屬shu鱗lin翅chi目mu刺ci蛾e科ke,為wei害hai茶cha樹shu的de多duo達da幾ji十shi種zhong。成cheng蟲chong體ti肥fei壯zhuang,全quan體ti密mi生sheng絨rong毛mao和he厚hou鱗lin粉fen,大da多duo黃huang褐he或huo暗an灰hui色se,少shao數shu問wen有you鮮xian綠lv色se,前qian翅chi靠kao近jin外wai緣yuan常chang有youl~2條斜紋。幼蟲體扁,橢圓形或稱紙煙形,體上有4列毒刺,俗稱“火辣子”、“癢辣子”。shaoshuzhongleiwuci。touxiaoshousuozaiqianxiongxia,zuduanxiaotuihua。huayongqianjieshihuizhiyingjianke。youchongqijuyebeiqushi,youlingyouchongqushixiabiaopiheyerou,liuxiakuhuangbantoumo,zhonglingyihouyaoshiyepianchengqueke,changcongyejianxiangyejijushi,liuxiapingyirudaoqiedebanjieyepian。youchongduoshixing,shichashu、果樹等經濟作物上的一大類重要害蟲。
形態特征 茶刺蛾成蟲體長約14毫米,翅展約20毫米,體翅 灰褐色。前翅從前緣至後緣有3條不明顯的暗褐色波狀斜紋。卵橢圓形,扁平,單產。幼蟲成熟時體長25~30毫hao米mi,長chang橢tuo圓yuan形xing,前qian端duan略lve大da,背bei麵mian稍shao隆long起qi,黃huang綠lv至zhi灰hui綠lv色se。體ti前qian端duan背bei中zhong有you一yi個ge紫zi紅hong色se向xiang前qian斜xie伸shen的de角jiao狀zhuang突tu起qi,體ti背bei中zhong部bu和he後hou部bu還hai各ge有you一yi個ge紫zi紅hong色se斑ban紋wen。體ti側ce沿yan氣qi門men線xian有you一yi列lie紅hong點dian。低di齡ling幼you蟲chong無wu角jiao狀zhuang突tu起qi和he紅hong斑ban,體ti背bei前qian部bu3對刺、中部1對刺、後部2對刺較長。繭卵圓形,暗褐色,結繭在土下。
發生規律 在湖南、江西等省一年發生3代,以老熟幼蟲在茶叢根際落葉和表土中結繭越冬。三代幼蟲分別在5月下旬至6月上旬,7月中、下旬和9月中、下旬盛發。且常以第2daifashengzuiduo,weihaijiaoda。chengchongrijianqiyuchacongneiyebei,yewanhuodong,youquguangxing。luandanchan,chanyuchacongxiabuyebei。youchongfuhuahouqushiyepianbeimianchengbantoumokuban,yihouxiangshangqushiyepianchengqueke。youchongqiyibanchangda22~26天。
手機版




