Geographic location of the bug: Superior, Arizona
Time: 07:31 PM EDT
Your letter to the bugman: Seen crawling on a path in Boyce Thompson Arboretum
How you want your letter signed: Lucy Lancaster
This is a Whitelined Sphinx Caterpillar, a species with several color morphs, including a dark variant we just posted. Whitelined Sphinx Caterpillars are prove to periodical population explosions, especially in areas of the arid Southwest.