' Alopia bielzii is a species of small, tropical, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae.

[2] (Original description in Latin) The shell is dextral with an arched slit.

It is fusiform in shape, and is marked by strong, widely spaced white plications.

It is somewhat translucent with an oily sheen and a violet-brown coloration.

The peristome is continuous, briefly detached, and expanded, with a pale-horny hue.