孩子们在沙地里发现了一些蚁狮幼虫挖的小坑。

The children found some tiny pits made by ___doodlebugs in the sand.

二战期间，德军发射的飞弹造成了广泛的恐慌。

The ___doodlebugs launched by German forces caused widespread terror during WWII.

我的小妹妹是个小涂鸦虫，她的课本上到处都是随手画的图案。

My little sister is such a ___doodlebug, her textbooks are covered with random drawings.