像细沙一样的粪便，所以又称为沙粪，也叫粪沙，极便于运输。虫粪便极为干燥，几乎不含水分，没有任何异味。
The mainly compounds are hydrocarbons, and the relative content of 1, 6-heptadiyne is highest, which is the peculiar material in the volatiles of the host frass.
主要成分为烃类物质，其中含量最高的物质为1，6-庚二炔(57.52％)，这也是虫粪挥发物中所特有的物质。
参考来源 - 桑天牛长尾啮小蜂寄主定向的挥发性信息物质研究·2,447,543篇论文数据，部分数据来源于NoteExpress
天牛幼虫排出的虫粪所释放的挥发性物质成为天敌搜寻天牛所在微栖境的重要化学信息物质。
Frass of longhorned beetle larvae plays an important role in natural enemies searching for their cerambycid hosts.
它可用于防治勾虫、蛔虫、蛲虫、鞭虫、粪类圆线虫等肠道寄生虫病。
Iit can be used to against hook worms, roundworm, pinworm, whipworm, Strongyloides stercoralis and other intestinal parasites.
它可用于防治勾虫、蛔虫、蛲虫、鞭虫、粪类圆线虫。
It can be used to against hook worms, roundworm, pinworm, whipworm, and strongyloides stercoraliss.
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