Boucardicus fortistriatus is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.

This species is endemic to Madagascar where its natural habitat is subtropical or tropical dry forests.

It lives in the Toliara Province of Madagascar, and is found only above 860 m (2,820 ft) ASL on Mount Vasiha.

The species was found to meet three of the 'critically endangered' species criteria - B1, that the existing population is "severely fragmented or known to exist at only a single location", and B2cd, that a continuing decline is projected in the species' "area, extent and/or quality of habitat" and "number of locations or subpopulations".

[2] This species' habitat within Madagascar is being destroyed by slash and burn agriculture, according to the IUCN.