The accurate ascertainment of the positions of the veins near the costa in this species is a matter of considerable difficulty owing to the extremely dense tuft of hairs there situated.
Trans. N. Z. Inst. xix. 29.
Newman's British Moths, 319.
Meyrick, Trans. N. Z. Inst. xix. 33.
Meyrick, Trans. N. Z. Inst. xix. 35.