The milkweed bug, Oncopeltus fasciatus, is a medium–sized hemipteran (true bug) of the family Lygaeidae. It feeds mainly on grains, particularly those of the milkweed. Like all hemiptera, it feeds through a long mouthpart known as a rostrum. O. fasciatus is commonly used in science due to ease of rearing and ease of dissection.
The adult bugs do not harm flowers, fruits and vegetables, however, they tend to ring alarm bells for the gardener who sees large numbers of them on plants.
This post is part of the Friday Greens meme.