<-------------- found a Hagen's Sphinx Moth in the greenhouse last week. Seems late in the season for them?
If it's newly hatched (brightly colored, no damage) and it snows where you live, it's made a mistake. That happens. The caterpillar may have wandered into your greenhouse, pupated in the loose dirt, and the artificial climate screwed up its cues to hatch. They are long lived moths, though - and in a multiple brood area, it may have eclosed late. So if it's beat up, it may just be an old, durable moth taking advantage of a late onset of winter. Where's the nearest Osage orange tree? The larva can't travel more than a couple of hundred yards to pupate. They're slow.
