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Arguda
rosemariae sp. n.
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Arguda
rosemariae 
(paratype)
(natural
size)
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21-23mm.
Fresh specimens are a slightly violet red, though the violet tinge fades
quickly. The fasciae are obscure and much less oblique than in other
species, a character shared with the Sumatran viettei
Lajonquière. The
antemedial is irregular and the postmedial slightly crenulate. The
hindwings are darker, more uniform, less speckly than the forewings. The
male genitalia have the aedeagus with two ventral spurs as in decurtata
and several massive patches of scobination on the vesica. The ventral
processes of the cubile are fork-shaped, and the upper dorsolateral
processes terminate in a complex disc with a serrate margin.
Holotype BRUNEI:
Kilanas Stn. 24.8.76, MV light, (M. Taib). BM lasiocampid slide 1035.
Paratypes: 1as
holotype but 24.12.1980 (Aslan), 1
BRUNEI:
300m, Ulu Temburong, rainforest, 10. 2.80 (Lt. Col. M.G. Allen).
Geographical range. Borneo, Sumatra.
Habitat preference. One specimen has been taken in lowland
rainforest. The other two were taken at an agricultural station. A
putative female (worn) was taken at 1618m on Bukit Retak; the related A.
viettei from Sumatra is only known from above 1000m, so this Bornean
female may be attributable to viettei.
The species is named for Mrs Rosemary Allen in recognition of her
hospitality and high tolerance threshold for tropical lepidoptery.
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