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Eugoa
holocraspedon sp. n.
Eugoa holocraspedon 
(paratype)
(x 1.56) |
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9-10mm. The fawn colouring
and dark brown speckling and fasciation is reminiscent of Holocraspedon
bilineata Hampson, but the venation and male genitalia are typical of Eugoa
as is the disposition of the forewing discal spots in specimens where both
are expressed. The fasciae are fine lines, the antemedial angled as in tessellata,
the postmedial straight, oblique. Two straight streaks extend from one-third
and two-thirds on the submarginal to almost converge on the postmedial. The male
antennae are serrate. The male genitalia have a transtilla with rugose lobes
dorsally, and valves with a costa with angular processes, including at the
ventrally lobed, setose apex. The aedeagus vesica is typical of the genus. The
poor distributional correlation and rather different fasciation are counter to
the possibility that the specimens are males of tessellata.
Holotype . SARAWAK:
Gunong Mulu Nat. Park, R.G.S. Exped. 1977-8 (J.D. Holloway et al.), Site
8, February, Camp 1, Mulu, 150m, 385470, mixed dipt. for., BM arctiid slide
2758.
Paratypes: 5
BRUNEI: 15m, Telisai, sandy heath forest and Gymnostoma, 3.2.1979 (Lt.
Col. M.G. Allen); l
Telisai, 10 metres, BRUNEI, 13.ii.1982 (T.W.Harman); 2
BRUNEI: 15m, Daerah Belait, Badas, swamp forest, 25 Feb 82 (Lt. Col. M.G.
Allen); 2 BRUNEI: 3m,
Seria, secondary and coastal veg., 30.12.1978 and
3.6.1979 (Lt. Col. M.G. Allen).
Geographical range. Borneo.
Habitat preference. The
species is uncommon, perhaps more associated with heath, swamp, and coastal
forest on acid soils, though the holotype was taken in hill dipterocarp forest,
and single unlisted specimens were taken in alluvial forest during the Mulu
survey and in the dipterocarp forest in the Ulu Temburong of Brunei.
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