tiny caterpillar on finger - virginia ctenucha moth caterpillar

1794 adults alberta america canadian caterpillar christoph ctenu ctenucha ctenunc diminutive drink eastern endemic erebidae esper eugenius expansion family feed finger flowers found goldenrod grasses host including inger irises johann larvae last micro mini miniature minute moth nectar newfoundland north petite plants provinces reached rockies sedges south species tiny university variety virginia virginica westward years