SUBFAMILY HERMINIINAE
View Image Gallery of Subfamily Herminiinae

Bertula owadai sp. n.
    
 

Bertula owadai
Figure 91


12-15mm. This species, though larger, resembles micealis more closely in general markings than does transcaerulea, but has a pale straw-coloured ground against which the much darker postmedial bands show up clearly, being mauvish grey with dull dark brownish edging as in micealis. There is also a finer pale component outside the dark edging on each side as in micealis. The marking on the underside is also more conspicuous. The male genitalia have rather narrowly triangular valves with a projection from the saccular apex on the ventral margin at about two thirds. The aedeagus vesica extends ventrally rather than dorsally and is characterised by a central lobe with general spining that partially surrounds a large reversed cornutus. The spines of the lobe all point in the same direction as the cornutus.

Holotype . SARAWAK: Gunong Mulu Nat. Park, R.G.S. Exped. 1977-8, (J.D. Holloway et al.), Site 21, March, 130m, 423576, alluvial / kerangas bank, BM noctuid slide 19448.

Paratypes: 1 as holotype; 4, 3 general data as holotype but Site 16, (Long Pala, Base, 170m, alluvial forest), 20 (W. Melinau Gorge, 150m, kerangas), 23 (W. Melinau Gorge, 250m, forest on limestone), 24 (as 23 but 270m), 25 (G. Api, 900m lower montane forest on limestone); 1 BRUNEI: 300m, Ulu Temburong, rainforest, 9.2.80 (Lt. Col. M.G. Allen); 1 MALAYSIA: Sabah, Danum Valley, 170m, 4°58' N 117°48' E (S.J. Willott) 1° understorey, WS, West Trail, DVFC, 11.iv.95.

Geographical range. Borneo, Sumatra (illustrated by Lödl (1999e).

Habitat preference. The species has been taken in a variety of forest types, particularly lowland heath forest and forest on limestone up to 900m.

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