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Put your soil samples in the jar, set the lamp about 15 cm away and turn it on. The heat will dry the soil and make the insects and arthropods fall through the screen into the jar for observation and analysis.

 

Included are: Berlese apparatus with funnel, 40 watt incandescent light bulb, Clip on lamp, Wide mouth specimen jar with lid, Instruction manual.

Berlese Funnel