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“Egnasia”
conifer
Hampson
Egnasia
conifer Hampson, 1926, Descr. Gen. Spec. Noctuinae p.
578.
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“Egnasia”
conifer
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Diagnosis
and taxonomic note. This species has both fore- and hindwings slightly angled at
the centre of the distal margin, basically dark brown but fasciated and suffused
with mauve. The forewing postmedial and submarginal run parallel from the dorsum
to just subcostally where an angle in the postmedial causes them to diverge; at
this point they whiten and enclose a trapezium of the dark ground colour that is
based on the costa as in several other genera (see p. 14). This feature is not,
however, typical of Egnasia.
Fasciation on the underside is white on dull brown, with the whitish suffusion
increasing strongly over the anterior half of the forewing to the costa. The
hindwing postmedial and submarginal remain approximately equidistant over their
length in the holotype of conifer but diverge from the dorsum to the costa in most
Bornean specimens, with the postmedial often straight rather than obtusely
kinked in places. The male segment is of the framed corematous type. The male
genitalia are atypical of both Egnasia and
Pangrapta
Hübner,
the latter of which the facies resembles to some extent. The valves are an
elongate oval with a small spur directed dorsally subbasally, arising from the
sacculus. The aedeagus is short, the vesica small, somewhat triangular, with a
zone of scobination over its basal half.
Geographical
range. Philippines,
Borneo, Sumatra (HS / K), Thailand (VK).
Habitat
preference. The species is infrequent in lowland forest, most specimens
being from below 200m, though one was taken in the lower montane zone of G. Mulu
at 1000m. The species was taken excusively in samples from the understorey, 22
individuals from undisturbed forest and two from logged forest, at 170m in the
vicinity of the Danum Valley Field Centre (S.J. Willott, unpublished data).
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