Here are some morning glory photos. Above is Ipomoea ternifolia var. leptotoma and the photo below is of some floral chaos featuring the red flowering Ipomoea cristulata among others in the midst. You can see an Apache plume flower making an appearance in there too. Oh my!
For photos and more information about the white lined spinx moth caterpillar and adult check out the very cool site BugGuide.Net.