Pitfall traps contained 50 mL of 70% ethanol and 3 mL of
glycerol. Ten traps were placed at 25 m intervals in
a diagonal transect across each treatment with the
top slightly below the soil surface. Five centimeters
of litter was used to cover the pitfall trap. All traps
were left for 48 hours before they were removed.
Specimens from the traps were collected, separated,
cleaned and preserved in vials that contained 95%
ethanol.