Ecpatia triangulata sp. n. (Plate 2, Figs 78, 81)
GG 10‑11mm.
This species is more variegated on the forewing than the previous three, with
the discal and basal areas extensively paler, two definite striae at the
marginal angle and a clearly defined pale circle at the tornus. The general
colour is also browner. In the male genitalia the peniculus lobes are
diagnostically prominent and triangular. The valve is similar to that of the
previous species, except the cucullus is more elongate, and has its exterior
margin produced in a basally directed lobe at the point of constriction. The
harpe is similar to that of ovifera, but the ovate plates at the base of
the costa are absent. The aedeagus vesica has a much longer cornutus than in
the species discussed above, two patches of deciduous setae, and a further
sclerite with a slight lobe at one end.
Holotype G. SARAWAK: Gunong Mulu Nat. Park, R.G.S.
Exped. 1977-8 (J.D.Holloway et al.), Site 23, April,
W. Melinau Gorge, 250m, 930558, FEG 4, limestone forest; BM noctuid slide
10752.
Paratypes: 1G (slide 17974) BRUNEI: 30‑60m, Labi,
lowland forest and secondary veg., 12.4.81 (Lt. Col. M.G.
Allen); 1G (slide
17957) BRUNEI: 130m, primary forest 12.1.1980 (R. Fairclough).
Geographical range. Borneo, Sumatra.
Habitat preference. All records are from lowland forest, some
with disturbance; a fourth specimen, not dissected, was taken in an area of
logged forest at around 170m near the Danum Valley Field Centre in Sabah.
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