Assertion: mealybug | /r/HasProperty | established position
Facets:
Source sentences:
text: Insecticides applied after Christmas has limited effect, Once mealybugs have established there position on the plant (usually from mid-January onwards), they are virtually impossible to remove or control with insecticides at this stage therefore this means that there has to be a lot of research gone into discovering the perfect time to use the pesticide therefore costing a lot as is a longitudinal study and may vary from year to year.