Horiver Rollertrap
poles, or other supporting structures Place the Rollertrap approximately 25 cm above the crop, except for the 30 cm width which needs to be placed 40 cm [...] plant rows. Timing In high crops Rollertraps should preferably be installed when the crop is still low, just before or after planting. Storage time See Best [...] For trapping whiteflies, thrips , leaf miner and fungus gnats in hot spots or places where high pressure can be expected, such as along gables, ventilation