On 4/29/2013 11:25 PM, sms wrote:
I knew that I recalled a device for keeping ants off of fruit trees,
but the person at Home Depot who knows everything about gardening (the
old guy who used to work at a Japanese nursery) said there was nothing).

The device is this
http://www.bayergarden.co.uk/en/data/Products/b/Boltac-Greasebands.aspx
but they aren't sold in the U.S. (though you can order them from the
U.K.).

Does anyone know how these are constructed and how to make your own?


Just use this. Take a putty knife and spread a narrow band of it
around the tree trunk:

Tree Tanglefoot - 15 oz Tub
http://www.amazon.com/Tanglefoot-300.../dp/B000BWY3AA

Tanglefoot's a semi-solid concotion of vegetable wax and castor oil.