Attention Saint Patrick. Murray Leinster

In «Attention Saint Patrick,» American science fiction writer Murray Leinster cleverly transposes aspects of Irish myth and legend into an intergalactic setting. The inhabitants of a planet known as Eire are battling an infestation of strange creatures known as dinies with an insatiable appetite for infrastructure. Will the far-fetched solution posed by an earthling name Moira solve the problem?