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Bocula
nigrinsula sp. n.
 15mm. The forewing is a uniform buff colour with the discal spot
and a fascia just basal to it faintly darker. The marginal area is mainly buff,
the black being restricted to an isolated and irregular patch representing the
more basal lobe of the typical margin, e.g. in calthula,
which it otherwise resembles. The hindwing is as in calthula.
The male abdomen is similar to that of calthula,
except the eighth tergite is broader and the sternite shorter; the distal arms
of the latter are straighter.
The
interior ornamentation and lobing of the valve is also different, particularly
the most distal lobe, which has more robust spines on
its ventral margin.
Holotype
. BRUNEI:
3m, Seria, secondary and coastal veg., 28.12.78 (Lt. Col. M.G. Allen)
BM noctuid slide 18006.
Paratypes:
1
BRUNEI:
Kampong Kapok, 21.i.1996 (T.W. Harman); 1 LABUAN,
N. Borneo, 3.[18]95, (A. Everett).
Geographical
range. Borneo.
Habitat
preference. Seria and Kampong Kapok are on the coast with disturbed
habitats and coastal forest, including mangrove, and Labuan is an island.
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