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Gariga
Walker
Type
species: argentilinea Walker, Borneo.
Synonym: Camptozada
Hampson (type species
mirabilis Swinhoe, Burma, India, Bali, Sumatra)
syn. n.
The type species of these
genera share features of general build, facies and genitalia, and they are
therefore brought into synonymy. The scales of the thorax are directed forward
anteriorly in a narrow double peak. The forewings are rather narrow, somewhat
oval in shape, fawn with extensive brown suffusion. The antemedial and
postmedial are irregular, transverse, obscure, either of the pale ground colour
or silvered. The tornal area is often darker submarginally. The hindwings are
brown above; in argentilinea they are paler and finely fasciated below.
The forewing venation is reduced in the radial sector as in
Dumatha
Walker and Homophlebia
Warren, the branching system of three veins being of the form (X (X,X)). The
hindwing venation is trifine rather than quadrifine; Homophlebia is
similar but Dumatha is quadrifine with M3 and CuA1 stalked.
In
the male abdomen, there are basal tymbal organs of the more robust chloephorine
type, identical in argentilinea and mirabilis and similar to those
of the other two genera. In the genitalia the uncus is long, slender, apically
tapering. The valves are narrow, distally bilobed, the more dorsal lobe being
much broader and deeper. The saccus is well developed. The aedeagus is narrow,
the vesica small and also very narrow.
In
the female (mirabilis) the ductus bursae is long and slender, joining the
corpus bursae in a short zone of sclerotisation at the point of separation of
the pyriform bursa and a massive, ovate, but flimsy appendix bursae. The
sterigma is rather extensive, finely rugose, with an arched ridge anteriorly.
The biology of Camptozada mirabilis was recorded in S. India by Bell
(MS). The larva is cylindrical. The head is orange with four black dots (setal
bases) across the upper part. The body is a dark slaty grey sometimes with a
reddish dorsal line. There is a yellow subspiracular band over the abdominal
segments adjacent to white patches below each spiracle that are conjoined with
black ones above each spiracle. The venter is a paler grey.
The larvae feed on young leaves, resting on the under-surface or a petiole.
Pupation is in a similar position within a cocoon of yellow silk, blotched or
streaked with brown or black, a broadly truncated semi-ovoid.
The host plant recorded was Grewia (Tiliaceae). This is also noted by
Bell for Homophlebia bilinea Swinhoe, and there is also a record (IIE,
unpublished) of Microcos in the same family for Camptozada.
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