论文部分内容阅读
草原毒蛾(尚未定名)在青海牧区叫作“红头黑毛虫”,廿五族藏民称为“莫凯木”与“莫恼”,分布于青藏高原海拔3700公尺左右的高寒地带,为害莎草科植物(当地主要牧草)。常年受害严重地区,莎草科植物生长衰退,非牧草——蓼科、菊科及蔷薇科等植物的发展渐占优势。因此,此种害虫的为害性不同于一般农作物害虫,它对草原具有一种“永久”性的破坏性质,使肥美的草原变为不能放牧的荒原。
Grass-spotted moth (yet to be named) is known as “red-headed black caterpillar” in the pastoral area of Qinghai. The 25th Tibetan is called “Mo Kai wood” and “annoying” and distributed in the alpine zone about 3700 meters above sea level on the Qinghai-Tibet Plateau. Herbaceous plants (local primary forage). Perennial severely affected area, Cyperaceae growth decline, non-pasture - Polygonaceae, Asteraceae and Rosaceae and other plants in the development of the dominant. Therefore, the harmfulness of such pests is different from that of pests of common crops, and it has a “permanent” destructive effect on the grasslands, turning the fertile grasslands into a wilderness that can not be grazed.