As lovebug numbers fall, another insect is drawing complaints from residents in Seoul and nearby cities. Brown katydids, known scientifically as Paratlanticus ussuriensis, have recently been reported in large numbers around Mount Buram and Mount Surak in northeastern Seoul, as well as in Namyangju, Gyeonggi Province. Residents have posted online that the insects are appearing on hiking trails, apartment walls, pipes and even inside homes. Brown katydids are native to Korea and grow to about 3 to