Wasps generally have thin bodies and threadlike waists, as opposed to bees, which have heavy, rounded bodies. Honeybees and bumblebees sting but are much less likely to do so than yellow jackets.

Wild Bees, Wasps and Ants, and other Stinging Insects.. Edward Saunders F.R.S. With numerous illustrations in the text and four coloured plates by Constance A. Saunders.