If there is one place you can count on finding scorpions frequently, its inside your irrigation valve boxes. Because the nylon walls are too slippery to climb, scorpions that wander into valve boxes very often fail to get back out. Interestingly enough, crickets will often end up in the same predicament, which means the Scorpions receives a steady food source.
We’d like to tell you it will be like shooting fish in a barrel, but irrigation boxes give scorpions lots of places to hide. Keep checking through, they’re usually stuck down there and eventually you can nab them.