A simple design for a rain-resistant pitfall trap

@article{Porter2004ASD,
  title={A simple design for a rain-resistant pitfall trap},
  author={Sanford d. Porter},
  journal={Insectes Sociaux},
  year={2004},
  volume={52},
  pages={201-203}
}
Heavy rain causes major problems with using pitfall traps to collect ants and other surface-active arthropods. A simple design for a rain-resistant pitfall trap is described. The trap is constructed by grinding a hole in the side of a plastic vial and then covering it with fine-gage wire screen. This hole allows excess water to drain out the side of the trap. A method for quickly setting small-diameter pitfalls into the ground with an auger and a battery-powered drill is also described. 

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