Examples from the Web for water spider
One variant makes the dilsta′yaʻtĭ, water-spider (“scissors,” Dolomedes), help in the work.
He had torn the water-spider's nest and crushed the spider herself.The Pond|Carl Ewald
In another version the Dragon-fly assists the Water-spider by pushing the tusti from behind.
It looks more like a water-spider than anything else, commented Jerry Jackson, one of the Jersey twins.The Eight-Oared Victors|Lester Chadwick
A change of diet was imperative, and, in seeking for this, he came into collision with the water-spider."Wee Tim'rous Beasties"|Douglas English