A study suggests that pitcher plants tailor the smells they produce to woo particular kinds of insects. Pitcher plants __41__ their diets with this one strange trick: eating flesh. The plants sprout pitcher-shaped cups with pretty, frilly tops __42__ their true purpose: trapping hapless insects. __43__ the pitchers and you’ll find the half-digested bodies of the plants’ victims. How do insects __44__ in this unenviable situation? While the plants’ colors and its nectar may attract __45__, some scientists think pitchers’ scent may play a role as well.