Generally deer ticks pick up the bacterium while in the larval stage from feeding on infected white-footed mice.
通常，鹿蜱在幼虫阶段通过捕食受感染的白足鼠而感染了这种细菌。
2
The answer might involve their offspring, which in their larval form drift in the currents to colonize new vents.
答案可能与它们以幼虫形式随着洋流漂流到新的喷气口的后代有关。
3
In the late 1960s, when Sri Lanka's flourishing coconut groves were plagued by leaf-mining hispides, a larval parasite imported from Singapore brought the pest under control.