Identification: Adult yellow-legged hornets are about an inch long. The most distinctive feature is that the bottom half (the ‘feet’ or tarsi) of all its legs are yellow. It has a dark thorax (or ‘chest’), with the abdomen dark at the base growing lighter or paler towards the tip.
Source: https://www.ncagr.gov/YLH
More information is available at https://www.ncagr.gov/YLH.
Yellow-legged hornets can be trapped using simple household items.