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近年来湿加松(Pinus elliottii×Pinus oaribaea)已经作为新品种在海南推广种植,现在全省造林有30000多亩。最近,科研人员通过调查发现,海南省文昌市翁田镇龙马管区西村营造的湿加松林地成片出现虫害,情况较为严重。海南省林业科学研究所派出科研人员现场查验,经对成虫鉴定,确定害虫为马尾松毛虫(Dendrolimus puntatus Walker)和桃蛀螟(Dichocrocis punctferalis Guenee)两种。马尾松毛虫是湿加松一种猖獗性食叶害虫,从体型与颜色分:黑色型和黄色型,黑色型体型大,大约比黄色型大15%左右,食量大,对湿加松的生长影响较为严重;
In recent years, Pinus elliottii × Pinus oaribaea has been popularized as a new variety in Hainan, and now there are more than 30,000 mu of afforestation in the province. Recently, researchers have found through investigation that pest damage occurred in the wet-shelter forest land in Xicun, Longma District, Wengtian Town, Wenchang City, Hainan Province. The situation is rather serious. Hainan Academy of Forestry sent researchers on-site inspection, identification of adults, pests identified as Dendrolimus puntatus Walker and Dichocrocis punctferalis (Dichocrocis punctferalis Guenee) two. Dendrolimus punctatus is a kind of rampant leaf-feeding insect pest of wet-pine, which is divided into black type and yellow type by body type and color, big body type about black type, about 15% larger than yellow type, large appetite, and wet and loose growth The impact is more serious;