蛀(zhu)木(mu)(mu)(mu)蟲(chong)(chong)（粉(fen)(fen)蠹(du)蟲(chong)(chong)）的幼蟲(chong)(chong)會(hui)進食(shi)木(mu)(mu)(mu)及(ji)木(mu)(mu)(mu)制(zhi)品(pin)；長(chang)(chang)大后的成(cheng)蟲(chong)(chong)會(hui)走(zou)出(chu)其生長(chang)(chang)的洞(dong)穴（圓形、橢圓形或(huo)(huo)D字形）。部份品(pin)種(zhong)之(zhi)成(cheng)蟲(chong)(chong)更會(hui)在(zai)石膏、塑膠或(huo)(huo)軟(ruan)金屬。就(jiu)著(zhu)不(bu)同品(pin)種(zhong)之(zhi)蛀(zhu)木(mu)(mu)(mu)蟲(chong)(chong)，它們會(hui)進食(shi)不(bu)同之(zhi)硬木(mu)(mu)(mu)或(huo)(huo)軟(ruan)木(mu)(mu)(mu)。有(you)些硬木(mu)(mu)(mu)含較(jiao)低淀粉(fen)(fen)質或(huo)(huo)較(jiao)細導管(guan)，都能免疫于(yu)雌(ci)性蛀(zhu)木(mu)(mu)(mu)蟲(chong)(chong)在(zai)其樹身產卵。所有(you)木(mu)(mu)(mu)制(zhi)品(pin)如(ru)木(mu)(mu)(mu)制(zhi)器具(ju)、木(mu)(mu)(mu)手(shou)柄、框(kuang)架、家具(ju)、書本(ben)、玩具(ju)、竹(zhu)竿、地板(ban)及(ji)建(jian)筑(zhu)木(mu)(mu)(mu)材(cai)(cai)等都有(you)機會(hui)被蛀(zhu)木(mu)(mu)(mu)蟲(chong)(chong)入侵。特別(bie)有(you)3個家族(zu)品(pin)種(zhong)會(hui)入侵及(ji)破壞(huai)建(jian)筑(zhu)木(mu)(mu)(mu)材(cai)(cai)、木(mu)(mu)(mu)制(zhi)裝飾品(pin)及(ji)家具(ju)，此3個品(pin)種(zhong)分(fen)別(bie)是長(chang)(chang)蠹(du)蟲(chong)(chong)科、竊蠹(du)科及(ji)粉(fen)(fen)蠹(du)科。　　

    蛀(zhu)木(mu)蟲(chong)(chong)(chong)（粉(fen)(fen)蠹(du)蟲(chong)(chong)(chong)）　　由(you)于(yu)幼(you)蟲(chong)(chong)(chong)會(hui)進食木(mu)材及后會(hui)排出(chu)(chu)粉(fen)(fen)狀物(wu)，故有(you)(you)粉(fen)(fen)蠹(du)蟲(chong)(chong)(chong)之稱。眾(zhong)多品種(zhong)當(dang)中只有(you)(you)食骸(hai)蟲(chong)(chong)(chong)科能消(xiao)化纖維(wei)，其它品種(zhong)則只能將纖維(wei)直(zhi)接(jie)排泄出(chu)(chu)體(ti)外(wai)。蛀(zhu)木(mu)幼(you)蟲(chong)(chong)(chong)能生(sheng)活在木(mu)材內由(you)數月到(dao)數年不(bu)(bu)等，牠們倚(yi)靠(kao)吸取木(mu)材內之淀粉(fen)(fen)質。人們一(yi)般要見到(dao)有(you)(you)成蟲(chong)(chong)(chong)由(you)洞口(kou)走出(chu)(chu)來或看見一(yi)堆(dui)堆(dui)粉(fen)(fen)狀物(wu)才知道木(mu)材已被蛀(zhu)木(mu)蟲(chong)(chong)(chong)所(suo)侵害。 洞口(kou)直(zhi)徑一(yi)般為(wei)0.8到(dao)3毫米，視乎不(bu)(bu)同(tong)品種(zhong)而(er)定；若然條件許可，雌性(xing)蛀(zhu)木(mu)蟲(chong)(chong)(chong)會(hui)在同(tong)一(yi)木(mu)材上產卵，繼(ji)續其生(sheng)命周期。受蛀(zhu)木(mu)蟲(chong)(chong)(chong)嚴重入侵的木(mu)材會(hui)像被子彈打得中一(yi)樣，盡是孔洞及粉(fen)(fen)狀物(wu)。　　

    粉(fen)茶柱蟲(chong)(chong)(chong)　　屬竊(qie)蠹科，幼(you)蟲(chong)(chong)(chong)能消(xiao)(xiao)化纖維，幼(you)蟲(chong)(chong)(chong)身(shen)長(chang)可達11毫米(mi)，成(cheng)蟲(chong)(chong)(chong)則可達7毫米(mi)。跟藥材(cai)及(ji)煙草甲蟲(chong)(chong)(chong)非常接(jie)近，它那都屬喜(xi)歡(huan)入侵倉(cang)庫貯存物(wu)的(de)(de)害蟲(chong)(chong)(chong)。在晚上，成(cheng)蟲(chong)(chong)(chong)會(hui)以頭撞向(xiang)木(mu)(mu)材(cai)去(qu)發出敲聲作同(tong)伴(ban)溝通(tong)及(ji)尋找伴(ban)侶(lv)。成(cheng)蟲(chong)(chong)(chong)身(shen)體一(yi)般帶(dai)紅色或黑色，它們會(hui)于木(mu)(mu)材(cai)縫隙、細(xi)小(xiao)入口(kou)、氣孔內(nei)產卵。有(you)時需要(yao)長(chang)達兩年去(qu)完成(cheng)生長(chang)。粉(fen)茶柱蟲(chong)(chong)(chong)主要(yao)會(hui)在軟(ruan)木(mu)(mu)身(shen)上出現包括大型工字(zi)梁、橫梁、地基木(mu)(mu)材(cai)及(ji)好些家具；有(you)時甚(shen)致入侵書本。一(yi)些舊木(mu)(mu)或已(yi)腐爛的(de)(de)木(mu)(mu)也會(hui)常找到(dao)此(ci)蟲(chong)(chong)(chong)，它們較粉(fen)蟲(chong)(chong)(chong)喜(xi)歡(huan)較為潮(chao)濕(shi)的(de)(de)木(mu)(mu)材(cai)（濕(shi)度有(you)14%或以上），若然家中安裝(zhuang)有(you)發熱或冷氣裝(zhuang)置，則可減低其入侵機會(hui)。幼(you)蟲(chong)(chong)(chong)會(hui)將(jiang)不能消(xiao)(xiao)化的(de)(de)物(wu)質（粉(fen)末(mo)）裝(zhuang)填(tian)在地道內(nei)。

    長(chang)(chang)蠹(du)蟲　　長(chang)(chang)蠹(du)蟲科已確定之品種有(you)(you)700多種。一般叫做鉆(zhan)孔(kong)(kong)蟲、長(chang)(chang)蠹(du)蟲或(huo)有(you)(you)角粉蠹(du)蟲。由上方向下看，由于(yu)被胸部遮蓋（駝背），大多數鉆(zhan)孔(kong)(kong)蟲的頭部都看不到（粉茶柱蟲也(ye)有(you)(you)相同情況）。成蟲身(shen)體(ti)一般帶(dai)棕色(se)或(huo)黑色(se)，有(you)(you)時嘴部、足(zu)部及(ji)觸角會(hui)帶(dai)紅(hong)色(se)。一般身(shen)長(chang)(chang)為(wei)2分，有(you)(you)些則可(ke)達1-2吋。它們(men)會(hui)于(yu)木材(cai)縫隙內產卵；有(you)(you)些則會(hui)在(zai)軟(ruan)木甚致非木材(cai)面產卵以被免受(shou)天氣影響。長(chang)(chang)蠹(du)蟲會(hui)入侵(qin)地板、家具(ju)、嵌(qian)板及(ji)木制(zhi)物(wu)料。　　

    防(fang)治蛀(zhu)蟲(chong)　　只(zhi)有美潔公司提(ti)供度身(shen)訂造之方(fang)案(an)才(cai)是最好(hao)的蛀(zhu)蟲(chong)防(fang)治方(fang)法。