Michael R. Linaker’s scorpions (technically arachnids, but still likely to invade England, so basically insects) focus their attacks on women’s breasts when they aren’t spreading mayhem at the nearby circus. John Halkin’s caterpillars in Squelch (1985) home in on a police constable’s groin. And the seemingly benign moths of Mark Sonders’s Blight (1981) are full of surprises, as one young mother discovers when she is swarmed to death: