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石门县位于湖南省西北部,浬水中游。全县西北高,东西低,海拔一般为300—600米,最高为2098.7米;平原、丘陵、大山区均有。县内雨水充沛,植被丰富,生态环境复杂。。在六十年代和近年特别是1979年我们组织力量在一些地方对早、晚稻田,山区中稻田和麦(油)、棉两熟田的害虫天敌作了一些调查观察,共采得标本200余种,已初步鉴定134种。其中寄生蜂类有12科56种,寄生蝇类3科8种,拈翅虫1种;捕食性昆虫15科44种;蜘蛛类12科34种。同时发现了寄生于三化螟幼虫、棉铃虫幼虫和稻飞虱成、若虫的线虫。
Shimen County is located in the northwest of Hunan Province, the middle reaches of Lishui. The county northwest high, low east and west, elevation is generally 300-600 meters, up to 2098.7 meters; plain, hills, mountains have. The county has abundant rainfall, rich vegetation and complex ecological environment. . In the 1960s and in recent years, especially in 1979, our organization made some investigations and observations on pest natural enemies in early and late paddy fields, mountainous mid-rice fields and wheat (oil) and cotton fields in some places in 1979. A total of more than 200 species , 134 species have been initially identified. Among them, there are 12 families and 56 species of parasitic wasps, 3 families and 8 species of parasitic flies, 1 species of nymphs, 15 species of predatory insects and 44 species of predatory insects, 34 species of 12 families of spiders. At the same time found parasitic on the stem borer larvae, cotton bollworm larvae and planthoppers into, nymphs nematodes.