TRIBE ARCTORNITHINI n.
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Arctornis labi sp. n.  


Arctornis labi (holotype)


14mm. The wings are a diaphanous, dull medium brown, darker in ground than in ouria and plumbacea, but without their darker markings. The genitalia indicate this species is not closely related, as the uncus is short, only shallowly bifid. The harpe is long, slender, enclosed in a large flap from the costal area after it leaves the saccular pocket. There is also a large, rounded, marginally scobinate projection from the valve costa.

Holotype . BRUNEI: 30-60m, Labi, lowland forest and secondary veg., 11.9.79 (Lt. Col. M.G. Allen), BM lymantriid slide 2099.

Geographical range. Borneo.

Habitat preference. The only specimen was taken in an area of lowland forest, both primary and secondary.

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