Family: Sphingidae, Latreille, 1802
copyright C. Odenkirk
"I am sending images of the White-lined Sphinx moth and caterpillar all taken in my back yard. (Medford WI-Taylor Co).
"The first two pictures (adult moth) were taken on 05-31-2007. It was late morning and was surprised to find it on the ground. Maybe just eclosed?
"The next two pictures were taken on 07-10-2009 on a stem of my Missouri Primrose plant. I didnít know it was there until it was so big that the stem bent over the lawn.
"The next two pictures are of 1/2Ē long caterpillars taken on 07-14-2010 on a wild primrose plant. I found five and brought them in to rear. One died but the others did well. By July 31 they stopped eating and by August 2nd I had four cocoons. Two eclosed on August 23rd and the last two eclosed on August 25th. This was the first time I raised this Sphinx moth and I was pleased to release them into my gardens."I reply, "Thanks Joan,
"Images are great, and it is very useful to have the data you have provided. Often I get asked how long will it take the moth to emerge from a pupa. Now I can tell people, 'in Wisconsin, it takes about three weeks', but I realize it could be less time under warmer conditions, and the fall brood overwinters.
"It is hard to say if the adult on the ground eclosed there or if it is a migrant from further south. I suspect it is one that freshly eclosed locally."
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