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Ercheia
pulchrivenula Gaede stat. n.
Ercheia
pulchrivena pulchrivenula Gaede (ex Strand),
1938, Gross-Schmett.
Erde, 11: 478.
Ercheia
pulchrivena Walker
sensu
auctorum,
including Holloway, 1976: 30 and Kobes, 1985: 38.
Diagnosis.
This is a larger, darker species than cyllaria. Females can easily be distinguished by
the rufous band along the dorsum and the white marking towards the costa
interior to the postmedial, but both sexes usually have the exterior central
white spot of the hindwing more prominent than the interior one (reversed in cyllaria).
The anterior of the forewing postmedial is more distinctly concave distad where
it approaches the costa, the submarginal also is more regularly curved at its
costal end and is generally conspicuously paler.
Taxonomic
note. This species has been treated erroneously as pulchrivena
Walker by most authors over the past
century (see next species). Nielsen et al. (1996),
as mentioned on p. 37, considered that Gaede validated many Strand aberrational
names in his treatment of Noctuidae in ‘Gross-Schmett. Erde 11’,
and this applies also to pulchrivenula.
Geographical
range. Thailand,
Peninsular Malaysia, Sumatra, Borneo.
Habitat
preference. The species is generally rare but has been recorded from
lowland forest in Brunei, at 1780m and 1790m on G. Mulu and at 1930m on G.
Kinabalu.
Biology.
Bänziger (1982) recorded the adult (as pulchrivena)
piercing fruit in Thailand.
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