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Teulisna
quadratella sp. n.
Teulisna
quadratella  (paratype)
(x 1.30) |
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,
10-12mm. Both
sexes have a prominent square black area in the centre of the forewing, an
almost uniform grey marginal area beyond the paler edging to the black, and a hindwing
that is grey except for a basal pale zone that extends to one third. The facies
of atratella is somewhat similar, but the black area is smaller, more
strongly produced anteriorly on its basal border. The male genitalia also
suggest affinity to atratella, particularly in the shape of the processes
of the valve: a hooked saccular process and a club-like costal one. However, the
main lamina of the valve is broader, more symmetric apically, the saccus and
structures within it are larger, better developed, and the aedeagus and its
vesica are half as large again, and the cornuti more massive.
Holotype
SARAWAK: Gunong Mulu Nat. Park, R.G.S. Exped. 1977-8 (J.D. Holloway et al.), Site
23, April, W. Mesilau Gorge, 250m. 430558, FEG 4, limestone forest, BM arctiid
slide 2634.
Paratypes: 1 as
holotype; 2 , 1 general data as holotype but Site 8, February,
Camp 1, Mulu, 150m, 385470, mixed dipt. for.; 1 BRUNEI: 300m, Ulu
Temburong,
rainforest (H.S. B[arlow]) Oct. 1978.
Geographical
range. Borneo.
Habitat preference. The
species is infrequent in lowland dipterocarp forest.
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