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Clethrophora Hampson
Type
species: distincta Leech, Japan, Korea.
The facies and
forewing shape is distinctive as described for the Bornean species below; there
is some sexual dimorphism. The bifalcate forewing shape is reminiscent of that
of quadrifine noctuid genera such as Anomis Hübner and allies.
In
the male abdomen, the eighth segment is narrow, with
strong apodemes, and there is a pair of short coremata laterally between it and
the seventh segment. The genitalia have the valves centrally slightly
constricted, distally paddle-like, with the sacculus closely associated with the
vinculum, expanded slightly to bear numerous hair-like setae on conspicuous
bases; in the Bornean species this area is more extensive and bears untidy,
carpet-like scaling. The aedeagus and vesica are narrow, the latter without
cornuti.
The female has the ovipositor lobes highly setose and rather ‘stomatal’ in form.
The ductus is very long and slender, leading to a large, heart-shaped corpus
bursae with the distal half densely spined and the basal half with numerous more
lightly spined circular patches.
The type species feeds on Quercus (Fagaceae) in Japan (Sugi, 1987).
The genus ranges from the Himalaya to Japan and Sundaland. C. virida
Heylaerts stat. rev. (Java) is not, as stated in Poole (1989), a synonym
of distincta, but appears to be closer to the Sumatran C. gonophora
Prout.
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