Belciana hemodoides sp. n. (Plate 1, Figs 18, 24)
GG, EE 19‑21mm. This species resembles the
previous two and hemodi Felder & Rogenhofer, having a more bluish green
forewing ground as in biformis and hemodi. The medial triangle at
the costa has its apex aligned with a transverse black dash within the reniform
as in the other species except biformis where there is no black dash and
the reniform is displaced slightly basad. The medial and sometimes the
postmedial are suffused with black scales rather than there being distinct
black marks, and the postmedial is marked on the costa by a small black
triangle close to the medial one. The black submarginal has a deep central
bulge as in biformis (much reduced in hemodi), but the anterior
part is more evenly curved, less sinuous than in biformis, more as in hemodi.
In the male genitalia, the valves have a more acute saccular process than in biformis,
and the cluster of narrow spines in the aedeagus vesica includes about twice as
many individual spines, but these are closer together and shorter than the
longest in biformis (where they decrease in length from one end of the
array to the other). In the female, the ductus bursae and neck of the corpus
bursae are much shorter than in biformis. The main part of the corpus
bursae is longer, slightly curved; the ductus seminalis arises from a distinct
lobe basally, and the apex has a slight taper, rather than being rounded.
Holotype G. BRUNEI: 300m, Ulu Temburong, rainforest,
28.4.81 (Lt. Col. M.G. Allen), BM noctuid
slide 17981.
Paratypes: 1G, 1E BRUNEI: 30‑60m, Labi, lowland forest
and secondary veg., 10 and 11.9.1979 (Lt. Col. M.G.
Allen); 1E (slide
21217) BORNEO, Paku, 2.99, (Shelford), 1900‑274; 1E S.E. BORNEO: Samarinda, xii.1938 (M.E.
Walsh).
Geographical range. Borneo, Palawan (HS / K),
Singapore.
Habitat preference. All material is from the lowlands, recent
material being from forested localities.
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