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Sphetta
bornea sp. n.
Sphetta apicalis Walker ;Holloway, 1976: 15.
Sphetta
bornea  (paratype) |
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21-24mm, larger than S. apicalis Walker. The facies is similar but
generally the brown ground colour is darker. The main differences are in the
male genitalia where the X-shaped transtilla structure is much larger, and there
is a band of very fine spines ringing the disc from the sacculus rather than two
eccentric, incomplete circles of small pegs.
Holotype
SARAWAK: Gunung Mulu Nat. Park, R.G.S. Exped. 197708 (J.D. Holloway et al.) Site
21, March, W. Melinau Gorge, 130m 423576, alluvial/kerangas bank, BM noctuid
slide 14033.
Paratypes:
3
as holotype but Sites 13 (500m on G. Mulu), 25 (900m on G. Api);1
BRUNEI: l0in, Ulu Belait, lowland forest, 20.2.80 (Lt. Col M.G. Allen); 1
BRUNEI: 75m, Labi, Rampayoh, Feb. 82 (Lt. Col. M.G. Allen).
Geographical
range. Borneo.
Habitat
preference. The
species is rare, specimens in the type series noted mainly from lowland forest
types, extending up to lower montane forest (on the limestone G. Api). The
highest record is from just under 2000m on C. Kinabalu (Holloway, 1976).
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