1. 蝶   cockroach, roach   beetle   butterfly   worm   Hint Half-n-half Clue   2. 虫   bug   mosquito   beetle   caterpillar   Half-n-half Clue   3. 蠕虫   worm   ant   butterfly   cockroach, roach   Half-n-half Clue   4. 油虫   cockroach, roach   ant   bug   beetle   Half-n-half Clue   5. 蚊   caterpillar   mosquito   butterfly   beetle   Half-n-half Clue   6. 毛虫   mosquito   cockroach, roach   caterpillar   ant   Half-n-half Clue   7. 蟻   beetle   cockroach, roach   worm   ant   Half-n-half Clue