Underground larvae feed on worms and slugs by injecting them with a numbing fluid .
地下萤火虫幼虫会寄生于蠕虫和蛞蝓,使其麻木分解并以此为食。
Unfortunately , such promiscuous use of drugs is the best way to put selection pressure on the worms and encourage the evolution of resistant strains .
不幸的是,这样的预防性用药是在寄生虫身上施加选择压力的最佳方法,能够促进抗药品种的进化。
Researchers on board ship were thus able to study the worms alive for several weeks .
船上的研究者因此而能够有几周时间来研究这些虫。
The resveratrol , had already shown the same benefits on worms , fruit flies and yeast .
白藜芦醇在虫类、果蝇和酵母上也有同样的效果。
Studies in australia , brazil and the united states suggest that animals in half or more of farms in many parts of those countries are infested with drug-resistant worms .
The children are barefoot , in tattered rags or naked , their bellies swollen with worms ; traditional community life broke down in the centralised camps .
Long overlooked by ecologists , these parasitic worms and other moochers constitute more than 1 % of the total biomass in some environments , a new study shows .
The tricky part was the delivery mechanism . The polymers used to make artificial bait in the form of rubbery worms did not mix well with the scent and hindered its diffusion into water .
Three species : meal worms , buffalo worms and grasshoppers , are cultivated by three farmers in the netherlands for a small but growing group of adventurous foodies .