Thrips, Thrips tabaci is the only economically important insect pest of onion. It is the most common during dry
months. Insecticides are commonly used to control thrips. Currently, effective insecticide in Ethiopia includes
selecron and karate, even if resistance is being developed to the later. Besides the use of chemicals, cultural practices
like plowing and crop rotation are useful tools to combat thrips. Better to plough fields immediately after harvesting
to eliminate resting sites for the pest.