The best course of action and doubtless the wisest is to employ commercial pest services to handle the job.
Only use this garlic solution by diluting it with water (1 is to 20). Spray infested plants (best time is typically the morning). https://Wiki.insidertoday.org/index.php/Reasons_For_Hiring_A_Pest_Control_Company_For_Your_Treatment_Of_Domestic_Pests