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For Insects, Spiders & Their Kin
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Photo#379309
Homemade Berlese funnel

Homemade Berlese funnel
Cedar Rapids, Linn County, Iowa, USA
March 23, 2010
I was bored this winter and made a very cheap Berlese funnel. Dumpster dived water bottle with bottom cut off, dumpster dived screen scrap, old curtain rod cut into three legs, duct tape and a clip on light fixture. The bulb was the most expensive part (halogen).

Tullgren
Actually a Tullgren funnel since you are using a light if I am not mistaken.