frass

基本解释

Study on the Fertilizer Efficiency of the Frass of Tenebrio Molitor L.
黄粉虫虫粪的肥效研究。
The mines of Hymenoptera wasps have more and darker frass than the mines of dipetrous flies.
与双翅目相比，膜翅目蜂类的粪便更多更黑；鞘翅目甲虫类则经常造成叶子的缺刻。
Foodstuffs are contaminated by the silk, faecal material or frass, and the bodies of the insects themselves.A major pest of warehouses and, more recently, retail premises.
对食物的污染来自茧丝、排泄物、蛀屑和虫体本身，已成为仓库的主要虫害，近年来对零售店危害也很大。
The effects of several factors such as density, frass, food moisture, diets and temperature on experimental population of Tenebrio molitor L. were studied.
本文研究了密度、虫粪、食料含水量及不同配方、温度对黄粉虫(Tenebriomolitor L.;) 实验种群的影响及黄粉虫成虫的生殖力。