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黑斑蛙(又名青蛙)Rana nigrom-aculata是农业害虫的重要天敌,农作物的卫士。但是黑斑蛙对森林害虫的作用,特别是对马尾松毛虫的捕食能力,过去很少引起注意,至今未见有人报导。笔者近年在浏阳县曾就其对松毛虫的捕食情况进行了初步观察。一、黑斑蛙捕食松毛虫的发现:1982年,浏阳县路口乡马尾松毛虫大暴发,松针基本食尽,松毛虫因缺食大量下树爬
Rana nigrom-aculata (also known as the frog) is an important natural enemy of agricultural pests, the guardian of crops. However, the role of black frog on forest pests, especially the predation ability of Dendrolimus punctatus, used to attract little attention, so far no one has been reported. In Liuyang County in recent years, I conducted a preliminary observation on its predation on pine caterpillars. First, the black spot frog predators Dendrolimus found: 1982, Liuyang County intersection Township Masson pine caterpillar outbreak, pine needles basic exhaustion, lack of large amount of pine caterpillars to climb