蚊
か · ka · JLPT N3 · noun
mosquito
🦟 蚊 = 虫 insect + 文 sound part; ka as in scratch a bite: ka-ka-ka
The left part 虫 marks bugs and crawling things. On the right, 文 (Chinese wén) originally gave the sound, which is why it echoes the buzz. In Japanese it is read ka, a short word for a small pest.