mei xiang has produced surviving cubs including ba bae bae.f she gets pregnant now, her cub would most likely be born around the end of september. >>> the countdown to summer is on. when we come back, susan hogan shows you what works and what doesn't when it comes to bug sprays. >>> plus fair evaders create danger for metro bus driv >>> as we count down the days until the unofficial start of summer, news4 is working for you. if your plans have you heading outdoors, you'll want to make sure you have the right bug spray. consumer reporter susan hogan has what you need to know. >> reporter: with the return of warmer weather comes the return of those pesky mosquitos and with the threat of zika swarming around, you don't want to take any chances. consumer reports says look for insect repellents with one of these three deet, oil of lemon, you ceucaly. sprays are most effective. you can skip natural repellents. most of the plant-based repellents lasted just one hour or less against the mosquito known to spread zika. wristbands and clip -ons and weara