 If you're really consistent about it and there are some, you can have it be just like a small little dish of soapy water. It doesn't have to be kerosene or anything like that. I've talked with a lot of folks that are very aggressive and what they choose to put in their container, but just soapy water in a shallow dish is another, is an option. Another option is I've seen a really clever kind of funnel type trap where you put two milk jugs opening to opening and you tape them together and you make a