National Geographic : 1915 Dec
Photo byAmerican Colony Photographers, Jerusalem AMERICANS FIGHTING LOCUSTS "In the path of the locusts was sunk a bottomless box, the inside lined with shining tin, up whichthe locusts could notcrawl, while oneach side a wing was provided, similarly prepared with a smooth metal face, with the object of directing them into the box. The fighters made two long lines, one on each side of the trap. . . A large flag, the darker the better . . . proved tobethe most formidable tool one could em ploy to make them move in the desired direction" (see text, page 535). Note the thickened masses driven together and just entering thetrap. The locusts at this stage of their development cannot fly.