We've had quite an influx of the second species down here. Years ago had a neighbor with some special training who rigged a "harmless" boobie trap. It consisted of a trip wire, 9 volt battery and old flash bars from a Kodak camera. Sort of a flash bang with no bang. I say "harmless" because who ever set it off took a tumble thru the wife's prickly pear cactus patch and broke a bunch of them on the way out!