Big Poplar Sphinx or Modest Sphinx Larva - Pachysphinx modesta
Town of Mitchell, Sheboygan County, Wisconsin, USA
August 19, 1997
Eggs laid by female July 18, 1997. Hatched July 26, 1997. Fed Eastern Cottonwood (Populus deltoides). Formed pupa August 31, 1997. Kept three larvae for overwintering in refrigerator.
Two eclosed April 28, 1998, one was malformed and could not fly. Third adult eclosed April 30, 1998. Released
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