Arla diversella is a moth of the family Gelechiidae. It is found in North America, where it has been recorded from California.[1] [2]
The wingspan is 15–17 mm. The forewings are whitish overlaid with reddish fuscous scales and with a large ill-defined reddish-brown spot on the cell. A similar spot is found at the end of the cell, above and below which is a black costal and dorsal spot. There is also a small black streak on the fold and a series of ill-defined black spots around the apical and terminal margin. The hindwings are light fuscous.[3]