蛹

Its parts

• 虫 chóng lower form of animal life, including… meaning
• 甬 yǒng path screened by walls on both sides = 龴 + 用 sound

Other characters with 甬 as their sound:

通 tōng痛 tòng涌 yǒng勇 yǒng桶 tǒng捅 tǒng诵 sòng俑 yǒng

Dictionaries file it under 虫.