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Plotheia viridalis Pagenstecher comb.
n.
Epizeuxis viridalis Pagenstecher, 1888, Jb. nassau. Ver. Naturk., 41:
163.
Gadirtha cuprescens Hampson 1912, Cat. Lepid.
Phalaenae Br. Mus.,
11: 348 syn. n..
Diagnosis. The general appearance is similar to that of exacta,
except the forewings are narrower, more rectangular and a somewhat brighter
green. The hindwings are uniform brown. See also
Arachnognatha.
Taxonomic note.
A note by W. Brandt in the BMNH collection
suggested that cuprescens might be a junior synonym of Epizeuxis
viridalis Pagenstecher (Ambon), the holotype being in the Wiesbaden Museum.
A colour image of this type was kindly made available by Herr F. Geller-Grimm,
the curator there, and this synonymy is here confirmed. It is possible also that
P.
elongata
Hampson comb. n. from the N. E. Himalaya is closely related, but no males
were available for dissection, and the female genitalia have a more pyriform,
less irregular and less strongly corrugated corpus bursae and a narrower, less
sclerotised ductus bursae than a female of viridalis from New Guinea. The
genitalia of
muscosa
Fletcher are intermediate, with a bursa in elongata but a ductus as in
viridalis though somewhat shorter.
Geographical range. New Guinea, Ambon, Sulawesi, Borneo.
Habitat preference. The only specimen is from lowland forest at 150m near
the Danum Valley Field Centre, Sabah.
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