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Phalacra buchsbaumi sp. n.  

Phalacra buchsbaumi (paratype)

20mm. This is a relatively large member of its genus, with strongly bifalcate forewings. Both wings are fasciated with dull red and mauve on buff as illustrated, with some pale yellowish highlights on the forewing postmedial and at the apex and tornus of the hindwing, reminiscent of Pseuderosia cristata Snellen. However the male abdomen lacks coremata. The male genitalia are distinguished by acute, rather petal-like valves. The saccus is long and narrow unlike in vidhisaria. The aedeagus has an apical hook, and short spines further down the shaft. There is a ring of scobination subbasally in the narrow vesica, and the insertion of the ductus ejaculatorius is relatively distal.

Holotype BRUNEI: 75m, Labi, Rampayoh, primary, Feb. 82 (Lt. Col. M.G. Allen), BM drepanid slide 2123.

Paratypes: 1 as holotype; 1 Badas Forest, 20 metres, BRUNEI, 26.ii. 1982 (T.W. Harman).

Geographic range. Borneo, Sumatra, Peninsular Malaysia (FRIM colln).

Habitat preference. All material is from areas of lowland forest with some swamp forest present.

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