Chorsia carjacobsi Holloway sp. n.
♂♂ 11-12mm. This species, from its male genitalia, is allied to hemicyclopis, octosemaand the next species, but in facies resembles the first most closely. However, the forewings are narrower and more produced apically, and the pattern, though similar, is more uniform, less clearly defined, the stigmata not evident. The hindwings lack the secondary sexual modification of hemicyclopis males. The trapezoidal mark subapically on the costa is only edged white distally and basally, lacking the broad interior edge of hemicyclopis; the mark is relatively more elongate and irregular in shape. There is a pale lunule subtornally in some specimens. The genitalia have the sacculus extended well towards the apex in a slender spine as in the other species mentioned, almost to the spur on the ventral margin that it shares with octosema. However, the apex is produced more extensively beyond this spur than in octosemaor rufitinctaHampson, and there is an additional small spur at the centre of the interior margin of the saccular spine. The aedeagus vesica lacks cornuti.
Holotype ♂
BRUNEI: 300m, Ulu Temburong, rainforest, 9.2.80 (Lt. Col. M.G. Allen), BM noctuid slide 11318.
Paratypes
- 2 ♂♂ general data as holotype but 30.6.79 and (H.S. B[arlow]) Oct 1978
- 1 ♂ SARAWAK: Santubong Mt., 300m, 10.ix.1981, Oxford Far East Exp. (abdomen missing).
Geographical range
Borneo.
Habitat preference
All specimens are from lowland forest.
Genitalia:
