Rhadinophylla siderosema is a moth in the family Gelechiidae.

The forewings are whitish closely irrorated with grey except towards the costa.

There is a costal dot at two-thirds, another at the tornus, the two connected by a narrow transverse ferruginous fascia, which touches the second discal dot.

There is also a series of ferruginous-fuscous dots on the termen and apical third of the costa.

This article on a moth of the subfamily Dichomeridinae is a stub.