Earlier this month, I found this caterpillar. Maybe a geometer moth. I tried to match it on BugGuide but couldn't find one just like it.
A Gulf Fritillary caterpillar on a passion vine, on a sunny October day.
A big fat hornworm, the same kind I grew this past summer. But when this fellow burrows underground, he will stay there over the winter.
A tiny yellow sulphur caterpillar.