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Olerospila
Gen. n.
Type species: oleraria
Guenée.
The single species in
this new genus has been misplaced in Oenospila. It has entire, if
irregular, creamy white fasciae to the bluer green wings, rather than vinous
fasciae. The wing margins are evenly, finely darkened, but the cilia are cream:
in Oenospila the dark marginal marking is broken, often punctate. The
male antennae have the untidy, long, adpressed pectinations typical of the
Hemitheiti.
There are diagnostic
features in the male abdomen. There is a pair of setal patches on the third
sternite rather than a broad central patch, though the patches are close
together rather than well separate (Fig 240). The valves are simple,
tongue-like, with an oblique central pleat. There is no costal sclerotisation,
and the sacculus is unmodified.
In the female the
ovipositor lobes are of the modified geometrine type. The ductus is narrow,
short, the sterigma unmodified. The bursa is more or less ovate with a small
lateral bulge basally. It is ringed centrally by a broad zone of scobination, an
unusual feature in the Geometrini.
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