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Arachnognatha
meterythra
Hampson
Arachnognatha
meterythra
Hampson, 1894, Fauna Br. India, Moths, 2: 373.
Arachnognatha metascotia ab.
singaporicola
Strand, 1917, Arch. Naturgesch., 82 (A1): 85.
Arachnognatha metascotia
singaporicola
Gaede, 1937, Gross-Schmett. Erde, 11: 399, syn. n.
Arachnognatha meterythra 
Diagnosis. The two species resemble a more delicate Plotheia exacta
Semper in their dull green, more darkly fasciated forewings with a
large reniform, but these have a square distal margin and a more elongate, less
apical grey patch on the costa, but this is faint and more greenish in many
specimens. The two differ only slightly, with
meterythra
having a redder hindwing (cf. greyish) and a slightly paler, more uniform
forewing. In the male genitalia the valves are more elongate and their costal
process reduced in meterythra; in the female the ductus and bursa are
shorter.
Taxonomic note. The holotype of singaporicola is a male with
genitalia (see above) distinct from those of metascotia Hampson. It
differs in having redder hindwings than metascotia and is therefore
presumed to be the male of meterythra, which was described from a female.
Geographical range. Burma, Singapore, Borneo.
Habitat preference.
There is one old specimen from Bidi in the
lowlands of Sarawak.
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