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Tamba
occidinawa sp. n.
 16-17mm. This species resembles T.
dinawa Bethune-Baker
(New Guinea, Seram) in its uniform, dull brown colour with paler postmedials,
that of the forewing roundedly angled, and enclosing a large, pale reniform.
Some specimens have a paler band just distal to the postmedials. There are
darker brown marks on the hindwing at the dorsal end of the submarginal and
discally. T.
dinawa is
slightly larger, with the forewing reniform more uniform with the ground; there
is a paler patch subdorsally just distal to the forewing postmedial. T.
rufipennis is
also similar but is a richer brown with double, dark postmedials. In the male
genitalia, those of dinawa (Seram; slide 14372) are relatively larger, the
valves with a narrower, more spatulate costal process and a quadrate, rather
than asymmetrically bifid, saccular one. Those of rufipennis
are
inseparable.
Tamba
occidinawa
(paratype) |
 |
Holotype
. BORNEO: Sabah, Danum Valley, 5°01'
N, 117° 47'
E, 14.ix.1987, 100m (A.H. Kirk-Spriggs), roadside, secondary forest, BM noctuid
slide 19185.
Paratypes:
3
as
holotype; 4 general data as holotype, but 18, 20.x.1987, primary forest edge;
1 (slide 18077) SARAWAK: Gunong Mulu Nat. Park, R.G.S. Exped.
1977-8, Site 8, February, Camp 1, Mulu, 150m. 385470, mixed dipt. for.; 2 Dutch West BORNEO, 85 miles above
Pontianak (Simons et Meligan (Sanggan))
ex Janson, April 1909; 1 INDONESIA:
Borneo, Kalimantan.
Tengah,
Barito Ulu 2001, at Busang / Rekut River Junction, 0°38'
S, 113°59'
E, viii.2001 (G.
Martin).
Geographical
range. Borneo, Sulawesi (slide 19188), Sumatra (HS / K), Thailand (VK).
Habitat
preference. All material is from lowland forest, some with disturbance.
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