![An insect pitfall trap is buried flush with the ground surface.](http://static.sciencelearn.org.nz/images/images/000/004/443/full/PSP_INS_ACT_03_pitfall_trap.jpg?1674174276)
A pitfall trap is buried flush with the ground surface. Crawling insects fall into the trap and are unable to escape until they are counted and released.
A pitfall trap is buried flush with the ground surface. Crawling insects fall into the trap and are unable to escape until they are counted and released.