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Bastilla
joviana Stoll
Noctua joviana Stoll, 1782, Uitlandsche Kapellen,
4: 237.
Noctua sinuata Fabricius, 1781, Species Insectorum,
2: 507, praeocc.
Dysgonia jovis Hübner, [1823] 1816, Verz. bekannter Schmett. p.
269.
Parallelia
curvisecta Prout, 1919, Ann. Mag. nat. Hist. (9),
3: 185.
Parallelia
joviana Stoll; Holloway, 1976: 30.
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Bastilla
joviana 
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Diagnosis.
This and the next species belong to a complex that has a distinct second
‘peak’ to the postmedial on vein CuA2 as well as the one associated with the
trapezoidal mark at M1. Between the peaks are two darker brown spots on veins M3
and CuA1. The species are best distinguished by the genitalia (Holloway &
Miller, 2003), but B. vitiensis Butler
tends to have the more posterior peak relatively weak. In the male genitalia joviana
has
a sinuous costal process to the valve, whereas it is straighter with a rather
triangular apical expansion in vitiensis. In the female, the antevaginal plate is almost
square in joviana but broader and distinctly trapezoidal in vitiensis.
Geographical
range. Oriental Region to Moluccas; New Guinea and Australia (ssp. curvisecta).
Habitat
preference. Records have been made infrequently from the lowlands to 1930m
in both forested and disturbed or cultivated localities.
Biology.
The larva has been described and illustrated by Moore (1884-1887), and described
by Gardner (1947) and Bell (MS). The head is pale grey to white with black
spots, including a large one on each side of the vertex. The body is grey or
white with a bluish tinge above. The colour of T1 is black. The setae arise from
black dots, and there is a subdorsal pair of large black spots near the dorsal
margin of A1. There is a yellowish white subspiracular band, and the ventrum is
black. The tubercles on A8 are orange or red. The pupa has a bluish white bloom.
The host
plants recorded (Holloway & Miller, 2003) are
Acalypha,
Breynia
and
Phyllanthus
(Euphorbiaceae).
The
adult pierces fruit in Thailand (Bänziger, 1982; Kuroko & Lewvanich, 1993).
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