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“Anomis”
discisigna
Hampson
comb. n.
Churia
discisigna Hampson, 1894, Fauna Br. India, Moths,
2: 418.
Ceromacra
ekeikei Bethune-Baker, 1906, Novit zool.
13: 284, syn.
n.
Pantydia discisigna Hampson; Poole, 1989: 766.
Avitta
ekeikei Bethune-Baker; Poole, 1989: 151.
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“Anomis”
discisigna
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Diagnosis.
The species could be confused with members of the Avitta Walker
group, but, on the forewing, the reniform is narrowly defined with dark brown
that encloses small white spots at its anterior and posterior. Distal to it is a
broad, diffusely darker fascia and a fine, blackish, lunulate one, both fasciae
approximately sigmoid.
Taxonomic
note. The species has been placed in Anomis
provisionally
as it definitely belongs to the Scoliopterygini, having many of the diagnostic
features: a broadly bordered cleft to the basal abdominal sternite; strong
coremata to simple valves. However, the saccus is not distinctly excavate. The
eighth sternite is trapezoidal with a weak central corema and a pair of
prominent apodemes. The tergite is reduced to a very narrow, paddle-like
sclerite, the blade of the paddle at the posterior end. Females have the ostium
associated with the eighth segment.
The
apophyses of the latter are short. The ductus is sclerotised, moderate, narrow
and slightly tapering. The corpus bursae has a narrow neck, slightly coiled
where it joins the ductus, with the ductus seminalis arising just distal to the
junction. Distally, the bursa is ovate with a distinct signum centrally,
consisting of two transverse, narrow wings of scobination extending out on
either side of a slight groove. The rest of the bursa is generally slightly
rugose to scobinate, with corrugations. These corrugations are in a rhomboidal
arrangement around the signum.
Geographical
range. N.E. Himalaya, Borneo, New Guinea.
Habitat
preference. All three Bornean specimens seen were taken during the Mulu
survey on the limestone G. Api: two at 250m in dipterocarp forest; one at 900m
in lower montane forest.
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