An hour into an overnight flight to London, Heather Szilagyi recalls, the first bug crawled out of her in-seat TV. “It was just the one, at the time,” she said. So she rang the bell and informed a flight attendant – quietly, lest she alarm her 7-year-old daughter or the passenger into whose seat back the thing had disappeared – that British Airways Flight 84 might have a bedbug problem. “The flight attendant said, ‘We don’t have anywhere to move you.