1. 蟑螂，蟑螂   hornet   cockroach, roach   flea   bee   Hint Half-n-half Clue   2. 萤火虫   hornet   centipede   firefly   flea   Half-n-half Clue   3. 蠕虫   worm   fly   termite   grasshopper   Half-n-half Clue   4. 蟋蟀   tick   earthworm   spider   cricket   Half-n-half Clue   5. 臭虫   bug   bee   dragonfly   flea   Half-n-half Clue   6. 蚤   hornet   flea   fly   worm   Half-n-half Clue   7. 蜻蜓   termite   cockroach, roach   dragonfly   flea   Half-n-half Clue