From the July 11, 1931, issue

HOT WAVES BRING NORTHWEST GRASSHOPPER INVASION MENACE

Grasshopper outbreaks in Nebraska and South Dakota may be only the advance guards of a much worse and more widespread insect horde to arrive before very long if hot waves continue to sweep the country. So say entomologists of the U.S. Department of Agriculture. The coming of these insects in June was in a sense premature, they state, for even in bad grasshopper years the pest does not ordinarily assume serious proportions until July.