Hyphantria cunea (Fall Webworm) is a species of Lepidoptera in the family erebid moths. They are native to Canada, United States, and Mexico. They visit flowers of California nettle. They are nocturnal.
Definition: A depression caused by erosion by water or ice. Low-lying land bordered by higher ground; especially elongate, relatively large gently sloping depressions of the Earth's surface, commonly situated between two mountains or between ranges of hills or mountains, and often containing a stream with an outlet.