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“Loxioda”
mediofascia
Swinhoe
Rhesala
mediofascia Swinhoe, 1902, Ann. Mag. nat. Hist. (7),
9: 424.
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“Loxioda”
mediofascia
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Diagnosis.
The ground colour is as in other Loxioda, but the postmedial fascia is stronger, and its
equivalent on the hindwing is displaced basad to a more medial position rather
than being a similar distance from the margin as that on the forewing. The
forewing reniform consists of two dark dots set transversely rather than just a
single one.
Taxonomic
note. Phragma lobes on the second abdominal tergite are strong rather
than reduced. The male genitalia are as atypical as the facies of this species,
having a short, bulbous uncus, a very elongate tegumen and vinculum (the latter
with a long, slender saccus and a serrate dorsal part on each side), and broadly
ovate valves with a central spur. The eighth segment is of the framed corematous
type. The female genitalia have a robust, partially sclerotised ductus bursae
and an ovate corpus bursae from which the ductus seminalis arises basally, and
the basal two thirds is strongly spined with short, stellate spines. The facies
is similar to that of “Blasticorhinus”
hampsoni
Bethune-Baker
(New Guinea) and “Maxera”
arizanensis
Wileman
(Taiwan). Both are probably misplaced in their genera, and only arizanensis
is
potentially a close relation of mediofascia, sharing some general features of the male abdomen,
particularly in the shape and ornamentation of the valve in the genitalia.
Geographical
range. Borneo.
Habitat
preference. A single specimen has been taken during recent surveys in
disturbed coastal vegetation at Mumong in Brunei. Older material is from Kuching
in Sarawak and from the vicinity of Pontianak in Kalimantan. The holotype is
from Sarawak without more precise data.
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