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Mecodina
bisignata Walker
Boethantha
bisignata Walker,
1865, List
Specimens lepid. Insects Colln Br. Mus., 33: 1983.
Sympis
turbida Moore,
1877, Proc.
zool. Soc. Lond., 1877: 611.
Capnodes
macrocera Snellen, 1880, Tijdschr. Ent. 23:
110.
Ctypansa
bocanidia Butler,
1882, Ann.
Mag. nat. Hist. (5), 10: 231.
Ctypansa
mesogramma Meyrick, 1889, Trans. ent. Soc. London,
1889: 478.
Seneratia
barnardi Lucas, 1894, Proc. Linn. Soc. N.S. Wales (2). 8: 153.
Seneratia
ruficeps Hampson, 1895, Fauna Br. India, Moths 3:
6, syn.
n.
Mecodina semophora Lower, 1903, Trans.
Proc. R. Soc. S. Australia 27: 42.
Seneratia
albopunctata Bethune-Baker, 1906, Novit. zool. 13:
272.
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Mecodina
bisignata  |
Mecodina
bisignata |
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Diagnosis.
In build, shape and the length of the male antennae, this species resembles praecipua
but
is more uniform, browner and lacks the dark subapical triangle on the forewing
costa. The reniform can be enlarged into a black patch in some specimens and is
usually embedded in a straight, diffuse, dark transverse medial band that recurs
on the hindwing. The male genitalia are invested with distinctive straw-coloured
scales. Females are slightly more variegated, often with a paler patch centrally
in the band between the forewing postmedial and submarginal.
Taxonomic
note. Nielsen et al. (1996) provided a much more extensive
synonymy than Poole (1989), bringing in Australian nomenclature. Here is added ruficeps
Hampson,
based on a rather strongly variegated female.
Geographical
range. Indian Subregion to S. China, Bismarck Is. and Queensland.
Habitat
preference. The species has only been taken once in recent surveys, from an
area of lowland forest and secondary growth at 30-60m in the Labi area of
Brunei. Old material is from lowland localities such as Tenom (approx 300m) and
Pulo Laut, and without altitude data from the area of G. Kinabalu.
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