Actellic Gold Dust (200g) KShs 3,600.00 KShs 1,800.00. Rated 4.93 out of 5 based on 71 customer ratings. ( 71 customer reviews) Actellic Gold Dust is an effective post-harvest insecticide for use against grain pests, grain weevils, larger grain borer, red flour beetle, and lesser grain borer in maize. Get a Answer You can buy it online. Just do a search for buy gold dust. Bakers and cake decorators use it.