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Mecodina
viridacea sp. n.
 18-20mm. The facies is similar to that of A.
cineracea Butler
(Japan, Taiwan, China, N.E. Himalaya), but is distinguished by a narrower, more
triangular costal mark from the submarginal, more distinctly darker transverse
marking in the medial to postmedial area and, immediately distal to the more
dentate submarginals of fore- and hindwings, a suffusion, also dentate, of pale
yellow-green. Just interior to the hindwing submarginal is a fine, dark, gently
curved fascia. This is more distant and more diffuse in cineracea.
The genitalia differ from those of cineracea in being relatively smaller, with the valves more
ovate. The aedeagus vesica lacks the central bundle of stout cornuti that is
present in cineracea.
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Mecodina
viridacea
(paratype) |
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Holotype
. SARAWAK: Kuching, Semengok (E.W.
Classey),
BM noctuid slide 18369.
Paratype
. BRUNEI: Labi, LP 309, 5 Nov 1978, MV light (Allen).
Geographical
range. Borneo, Sumatra (HS / ZSM), Java.
Habitat
preference. Both specimens are from localities with lowland forest.
Biology.
The larva of the related cineracea has been illustrated by Mutuura et
al. (1983)
and by Sugi (1987). It is rather stout, leaf-green, with all prolegs present,
and strongly tapered from A8 backwards. A series of four paler yellowish green
longitudinal bands is spaced evenly down each side to the line of the black
spiracles; the bands decrease in width and become more broken in this sequence.
The host
plant (Miyata, 1983; Sugi, 1987) is Ficus (Moraceae).
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