摘要
灰斑古毒蛾在我国多有分布,危害多种植物的叶片。但没有见到有关危害沙棘的报道,笔者经2a的室内外观察得知:其生物学特性在辽宁西部每年2代,以卵越冬;该虫世代重叠,对树木危害严重,对栽植的大果沙棘危害尤为严重,在一株5a生的沙棘树上有260多头幼虫危害;雄成虫善飞翔。
The Orgyia ericae in chaoyang Country has many distributions, which harm many kinds of plant leaves, hut there were not the report about it harmed seabuckthorn trees. The author observed after 2 years by indoor and outdoor was informed that its biological characteristics in the western Liaoning Province every year 2 generations and survives the winter by egg. The overlapping generations' insect had a serious threat to trees, and had particularly serious harm to the macro-fruit seabuckthorn. It generally had 260 multi-thread larvae harm on a seabuckthorn tree of 5a. Male adult good at flying.
关键词
沙棘
灰斑古毒蛾
生物学特性
防治
seabuckthorn
orgyia ericae
biological characteristics
prevention