二突异翅长蠹的生物学特性及熏蒸技术研究
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摘要
近年来二突异翅长蠹对安徽省储藏期柳编原材料——杞柳枝条的危害日趋严重。为了有效防控该虫,对其生物学特性和熏蒸技术进行研究。实验室饲养观测与仓库调查结果表明,该虫在安徽省1年发生2代,以老熟幼虫在被害柳条内部越冬。翌年3月下旬越冬幼虫开始活动为害,4月下旬开始化蛹,5月中旬成虫大量出现,并于5月下旬产卵。第1代幼虫于6月上旬孵化,8月上旬幼虫开始化蛹,8月中旬羽化为成虫,8月下旬成虫开始产卵,9月上旬第2代幼虫孵化,并继续为害柳条,一直持续到11月新柳条收获后。用56%磷化铝片剂和80%敌敌畏乳油在密封袋中进行熏蒸试验。结果表明,磷化铝的熏杀效果更好,12 g.m-3剂量熏蒸72 h后各虫态的死亡率可达到100%,以幼虫对磷化氢最敏感。因此,熏蒸防治要抓住越冬代幼虫活动期,即在每年的3月底至4月初,用56%磷化铝片剂12 g.m-3熏蒸72 h以上为宜。
Heterobostrychus hamatipennis Lesne causes more and more serious damage on the wicker in warehouse in Anhui province in recent years.In order to control it efficiently,we studied its biological characteristics and fumigation technology.The results of feeding in the laboratory and survey in the warehouse were as follows.It has 2 generations a year in Anhui province and overwinter as matured larvae in the injured wickers.The overwintering larvae begin to harm in late March and pupate in late April.A large number of the adults emerge in the middle of May.The adults start to spawn in late May.The larvae of the first generation hatch in early June.The larvae start to pupate in early August.In the middle of August,the first generation adults emerge.About ten days later,the adults start to spawn.In early September,the second generation larvae hatch.And until November,when the new wickers are harvested,the matured larvae would move into the new wickers and overwinter.The fumigation tests were carried out with aluminium phosphide 56% tablet and dichlorvos 80% emulsion in hermetic bags,and the results showed that the mortality in different stages could achieve 100% at 72 h after fumigation with aluminum phosphide 56% tablet at the dose of 12 g.m-3,and the larvae are more sensitive to phosphine than any other stages.Therefore,fumigation control must focus on the stage of recovery of overwintering generation larvae,which is in late March and early April every year,with aluminium phosphide 56% tablet at 12 g.m-3above 72 h.
Heterobostrychus hamatipennis Lesne causes more and more serious damage on the wicker in warehouse in Anhui province in recent years.In order to control it efficiently,we studied its biological characteristics and fumigation technology.The results of feeding in the laboratory and survey in the warehouse were as follows.It has 2 generations a year in Anhui province and overwinter as matured larvae in the injured wickers.The overwintering larvae begin to harm in late March and pupate in late April.A large number of the adults emerge in the middle of May.The adults start to spawn in late May.The larvae of the first generation hatch in early June.The larvae start to pupate in early August.In the middle of August,the first generation adults emerge.About ten days later,the adults start to spawn.In early September,the second generation larvae hatch.And until November,when the new wickers are harvested,the matured larvae would move into the new wickers and overwinter.The fumigation tests were carried out with aluminium phosphide 56% tablet and dichlorvos 80% emulsion in hermetic bags,and the results showed that the mortality in different stages could achieve 100% at 72 h after fumigation with aluminum phosphide 56% tablet at the dose of 12 g.m-3,and the larvae are more sensitive to phosphine than any other stages.Therefore,fumigation control must focus on the stage of recovery of overwintering generation larvae,which is in late March and early April every year,with aluminium phosphide 56% tablet at 12 g.m-3above 72 h.
引文
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[7]Benker U.Stowaways in wood packaging material-currentsituation in Bavaria[J].Forstschutz Aktuell,2008,44:30-31.
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[9]刘涛,李丽,李柏树,等.苹果蠹蛾磷化氢.蒸技术研究[J].植物检疫,2011,25(1):13-15.
[10]Fields P G,White N D.Alternatives to methyl bromidetreatments for stored-product and quarantine insects[J].Annual Review Entomology,2002,47:331-59。
[11]王殿轩,陈吉汉,周慧星,等.磷化氢对3种储粮书虱致死浓度与时间的比较研究[J].植物检疫,2010,24(2):9-12.
[12]张立力.磷化氢对玉米象各发育虫期生物学效应的研究[J].粮食储藏,1995,24(5-6):77-80.
[13]丁伟,陶卉英,张永强,等.磷化氢.蒸处理对嗜卷书虱不同虫态的致死作用[J].农药学学报,2003,5(3):24-30.
[2]陈志麟,谭秀婷,罗亦昌.进口树枝截获二突异翅长蠹[J].植物检疫,1997,11(1):50-51.
[3]陈志麟.检疫截获的长蠹科害虫[J].植物检疫,2000,14(3):153-157.
[4]初冬,章卫.我国的长蠹科昆虫记述[J].植物检疫,1997,11(2):105-109.
[5]He Q J,Yi C H,Yang Y I,et al.A preliminary survey onpest of bamboo in Yunnan Province[J].Agricultural Sci-ence&Technology,2009,10(1):153-156.
[6]Aberlenc H P.Heterobostrychus hamatipennis Lesne,1895,a minor pest recently imported from China for thefirst time into France(Coleoptera,Bostrichidae)[J].Bul-letin de la Societe Entomologique de France.2008,113:4,521-523.
[7]Benker U.Stowaways in wood packaging material-currentsituation in Bavaria[J].Forstschutz Aktuell,2008,44:30-31.
[8]Robert B.Heterobostrychus hamatipennis Lesne(Col-eoptera:Bostrichidae)new to Florida[J]..Insecta Mundi,2010,0138:1-5.
[9]刘涛,李丽,李柏树,等.苹果蠹蛾磷化氢.蒸技术研究[J].植物检疫,2011,25(1):13-15.
[10]Fields P G,White N D.Alternatives to methyl bromidetreatments for stored-product and quarantine insects[J].Annual Review Entomology,2002,47:331-59。
[11]王殿轩,陈吉汉,周慧星,等.磷化氢对3种储粮书虱致死浓度与时间的比较研究[J].植物检疫,2010,24(2):9-12.
[12]张立力.磷化氢对玉米象各发育虫期生物学效应的研究[J].粮食储藏,1995,24(5-6):77-80.
[13]丁伟,陶卉英,张永强,等.磷化氢.蒸处理对嗜卷书虱不同虫态的致死作用[J].农药学学报,2003,5(3):24-30.