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。
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。
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.