The Eugoa Walker group of genera
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Holocraspedon bilineata Hampson comb. n. 
   
Eugoa bilineata Hampson, 1901. Ann. Mag. nat. Hist. (7), 8:185.
   
Nola lauta Swinhoe, 1903, Ann. Mag. nat. Hist. (7,), 11: 502, syn. n.


Holocraspedon bilineata
(x 1.56)


Diagnosis.
The pattern of dark brown markings on the fawn forewing is distinctive, particularly in the area distal to the postmedial where a series of streaks anteriorly gives way posteriorly to an oblique line that runs to the dorsal angle.

Taxonomic note. The two taxa brought into synonymy are identical in facies and male genitalia, both of which conform to the general features of the genus. The aedeagus vesica has an arc of about 20 moderate spines.

Geographical range. Singapore, Thailand, N.E. Himalaya, Peninsular Malaysia, Borneo, Sulawesi, Sumbawa.

Habitat preference. The species is uncommon in lowland forest but may be more frequent in wet heath (kerangas) forest. The highest records are from 600m on G. Kinabalu and G. Trus Madi.

Biology. Yunus & Ho (1980) record the larva (as Philenora lauta) from Coffea (Rubiaceae), but this, for reasons given in the Introduction (see Introduction), should be treated with caution; see also Meteugoa obliquiata Hampson below.

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