TRIBE NYGMIINI n.
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Rhypotoses triceratops sp. n.  


Rhypotoses triceratops (holotype)


11-12mm. Externally this species resembles brooksi, though the forewing is somewhat more variegated. The dark elements of the postmedial are seen on the underside and are continued by a submarginal band on the hindwing. The species is best distinguished by the genitalia where the uncus is diagnostically bilobed dorsally near its base, the valves have somewhat broader, with more rounded lobes at the saccular angle, and the aedeagus has projections centrally rather than subapically. The aedeagus is also less expanded apically, without a band of sclerotisation extending into the vesica. Only dissected specimens are listed as types: five further males were taken at Site 20.

Holotype  SARAWAK: Gunung Mulu Nat. Park, R.G.S. Exped. 1977-8 (J.D. Holloway et al.) Site 20, Mar. - Apr., W. Melinau Gorge, 150m 422577, FEG 3, kerangas, BM lymantriid slide 2427.

Paratypes: 1 (slide 2435) as holotype; 1 (slide 2434) general data as holotype but Site 22, April, 421578, wet kerangas.

Geographical range. Borneo.

Habitat preference. All material is from wet heath forest on a river terrace.

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