from The Century Dictionary and Cyclopedia
- n. The powdered flower-heads of the plant Pyrethrum cinerariæfolium, and of other species, which are effectual insecticides. Commonly called Persian or Dalmatian insect-powder.
Sorry, no etymologies found.
I have found that pure buhach powder dusted into the air or burned on a hot shovel in the mushroom house has been more effective in destroying these flies than either the lamp or drowning process.
On the table an old pink cloth is spread, and when we light the lamp and set the little Japanese burner to smoking buhach -- for, alas, there are mosquitoes -- we feel quite snug and homelike.