Hestiochora occidentalis is a species of moth in the family Zygaenidae. It is endemic to the temperate parts of Western Australia.
The length of the forewings is 7.5âÂÂ9 mm for males and 8.5âÂÂ9 mm for females. It is a tropical species with possibly several generations per year.
The ecology is unknown, but the species has been found on localities dominated by Eucalyptus calophylla, Eucalyptus marginata and Eucalyptus rudis.