深圳地区椰心叶甲寄主和天敌种类调查

Host plants and natural enemies for coconut leaf beetle, Brontispa longissima, in Shenzhen

调查结果表明,深圳地区椰心叶甲Brontispalongissima(Gestro)的寄主植物有26属36种,危害比较严重的寄主有椰子(CocosnuciferaL.)、大王椰子(RoystonearegiaO.F.Cook)、假槟榔(Archontophoenixalexandrae(F.V.Mueller))、鱼尾葵(CaryotaochlandraHance)、三药槟榔(ArecatriandraRoxburghexBuchanan)、金山葵(Syagrusromanzoffiana(Chamisso)Glassman)、菲岛鱼尾葵(CaryotacumingiiLoddigesexMartius)、刺葵(PhoenixhanceanaNaudin)、国王椰子(RavenearivularisL.)等。野外观察和采集标本鉴定结果表明,深圳地区椰心叶甲捕食性天敌有11种,主要种类为蚂蚁Formicasp.、毛蠼螋Cheatospaniasp.、中华大螳螂ParattenoderasinensisSaussure;致病微生物有3种,主要是绿僵菌Metarhiziumanisopliaevar.anisopliae。

There are 36 species in 26 genus recorded as host plants for coconut leaf beetle Brontispa longissima （Gestro） in Shenzhen, China. Among them, several species, such as Cocos nucifera, Roystonea regia, Archontophocnix alexandrae, Caryota ochlandra, Areca triandra, Syagrus romenzoffiana, Caryota cmingji, Phoenix hanceana and Ravenea rivulari were seriously damaged by the beetle. Eleven predatory natural enemies and three pathogenic microorganism species were recorded as effective factors on palm leaf beetle population in Shenzhen. The important species were Formica sp., Cheatospania sp., Parattenodera sinensis and Metarhizium anisopliae.