We really enjoy your website. Fun & interesting letters. We have a mysterious bug sighting to report. Near dusk, we spotted what looked like a small hummingbird going from flower to flower on our porch. We looked closely at him, and he was fearless. Totally oblivious to us, less than a foot away from him. He had kind of a fuzzy dark yellow body, and wings moving so fast you coudn’t see them. His tail was black or dark brown, and was actually similar in shape to that of a crawdad! He had six legs (or so), so we know he wasn’t a bird. He was about 2 1/2 inches long. Is this a moth of some sort? He didn’t seem to be attracted to the porchlight, just the flowers. We’re in central Indiana, and we spotted him on a warm & humid evening in early July.
Thank You — J & C & D

Dear J&C&D,
Sphinx Moths are often called Hummingbird Moths. There are many species in the family Sphingidae, including the Tobacco Sphinx, Manduca sexta, or Tomato Hornworm, the dreaded green worm that eats tomato plants. The Tobacco Sphinx is yellow and greyish brown on the body with greyish wings. the wingspan can reach nearly 4 1/2 inches. There is also a group of genuses known as the hummingbird clearwings.

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