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Pangrapta
shivula Guenée
Marmorinia
shivula Guenée, 1852, Hist. Nat. Insectes, Spec. gén. Lépid.
7:
372.
Zethes
xylochroma Walker,
1858, List
Specimens lepid. Insects Colln Br. Mus., 15: 1525.
Pangrapta
shivula quieta Prout, 1928, Bull. Hill Mus. Witley,
2: 270.
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Pangrapta
shivula  |
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Diagnosis.
In facies, both sexes of this species resemble the female of lasiophora
Hampson
(see next species) but with a more ochreous than violet ground colour,
particularly the areas of the wings basal to the postmedials. The underside,
though paler than the upperside in both species, is also similar, with shivula
again
more ochreous. The male of lasiophora has the upperside of the forewing densely invested
with an extensive carpet of ochreous androconial scales.
Taxonomic
note. This and the next species share moustache-like hair pencils
from the corematous area on the male eighth sternite, slender incurved valves
that lack saccular or distal processes, and cornuti on two of the diverticula of
the aedeagus vesica. The female genitalia (lasiophora Hampson)
have the eighth segment densely setose. The ductus bursae is long, very narrow,
the corpus bursae ovate, set obliquely on it, with an extensive area of dense,
dark rugosity on one side.
Geographical
range. Indo-Australian tropics to New Guinea.
Habitat
preference. Only two Bornean specimens have been seen, one from Kretam on
the coast of Sabah and the other from dipterocarp forest at 250m on limestone
(the lower slopes of G. Api) in the G. Mulu National Park.
Biology.
Bell (MS) reared the larva in India. It is spindle-shaped, widest centrally, and
has all prolegs developed. The anal prolegs are long, divergent behind. The head
is green with a broad reddish brown band on each side. The body is pale
grass-green with a wavy dorsal line and a pale yellow subspiracular band.
The
larva lives beneath, and feeds on, young foliage. It pupates on the ground
surface in a cocoon of silk incorporating soil particles.
The host
plant is Olea (Oleaceae).
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