What 蠁 means
It names an insect or its pupa. Dictionary glosses connect it with a soil grub, a pupa, and tiny flies associated with wine or vinegar.
The early Chinese glossary 爾雅 records it as an insect name. The character dictionary 說文解字 explains its construction: 虫 points to the insect, while 鄉 supplies the sound.
In the classical compound 肸蠁, used in the poem 上林賦 by the poet Sima Xiangru, it describes fragrance spreading. Dictionaries also record 䖮 and 蚃 as variant forms; one connects 䖮 to a form written with 向.
Literary and dictionary register; use it when the word or classical passage is what you mean.
In 肸蠁, 蠁 describes spreading fragrance, not an insect.
Questions people ask
1Why does 蠁 show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type 蠁
蠁\8801Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.