My guess is that apple juice would fare better than cider vinegar. The vinegar to me sounds like someone's idea of making it seem more chemical, more like a cle

My guess is that apple juice would fare better than cider vinegar. The vinegar to me sounds like someone's idea of making it seem more chemical, more like a cleaning product - but this is just a mechanical trap, you could use anything, just a piece of whatever they seem attracted to even (e.g. extract from compost caddy).