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Olulis Walker
Type
species: puncticinctalis Walker,
Borneo.
Synonyms: Hamaxia
Walker
(type species lignulina Walker,
Sri Lanka = puncticinctalis)
praeocc.;
Phachthia
Walker
(type species lignigeralis Walker
= puncticinctalis).
The type
species is similar in general appearance to Parolulis
absimilis and P. murudensis (see above), but has obscure and
irregular fasciation on the forewing, the most conspicuous feature being an
oblique, diffuse, darker band running from the costa at one third through to the
centre of the wing. The hindwing has a slightly darker border but is otherwise
much more uniform. The labial palps are gently upcurved as in Parolulis.
The male antennae are ciliate.
In the
male abdomen, structures are generally as in the Saroba
group,
but with the costal process of the valve large as illustrated. The female
genitalia are much as in Parolulis; the ostium is bilobed to bifid.
The
species currently associated with Olulis,
such as the four Bornean species in addition to the type species, probably do
not form a natural group, and there is therefore a tendency to remove more
easily defined groups from the genus, such as Parolulis,
and transfer into it species such as sarconia Hampson that are misplaced in related
genera. Nielsen et al. (1996) included this and the next genus in the Hypeninae.
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