Billions of people regularly eat insects. In the southern Mexican state of Oaxaca, chapulines – toasted grasshoppers – stand out as a beloved seasonal treat that follows the start of the rainy season, a period that runs from late May through September. My new book, “Eating Grasshoppers: Chapulines and the Women who Sell Them,” dives into the history and cultural significance of entomophagy (eating insects) and this unique snack. Chapulineras – the women who sell chapulines – often learn their craft from their mothers and grandmothers. Most will use nets or mesh bags to capture grasshoppers in their “milpa” –...