Helcystogramma trigonella

It was described by Thomas de Grey, 6th Baron Walsingham, in 1892.

The forewings are greyish brown, with a small ferruginous spot at the end of the discal cell, margined on its upper and outer side with whitish-ochreous scales.

A faint whitish-ochreous spot or group of scales is found on the extreme costal margin at one-fifth from the apex.

The hindwings are brownish grey, with a tuft of greyish-ochreous hairs above at the base.

This article on a moth of genus Helcystogramma is a stub.