About Sphinx drupiferarum Smith, 1797
This species, Sphinx drupiferarum Smith, 1797, has a wingspan ranging from 75 to 115 mm. In Canada, it produces one generation per year, with active adults on the wing from June to July. In the southern parts of its range, it has two generations per year. It is distributed across temperate regions of the United States, extending northward into southern Canada.