kalk paste works for me. 
 
I bought 5 peppermints and they seem to have gotten the smaller ones. but they're nocturnal so I don't see them. I think I've only seen one or 2 at night lately. might've died off by now. never had much luck keeping peppermints longer than 6 months. 
		
	
		
		
		
		
		
	
		
		
	
	
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