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Lithosiopsis”
bicoremata
sp.
n.
 9-10mm. This species is tentatively assigned to Lithosiopsis
because
it shares the distinctive pale, biarcuate forewing submarginal of those species
and a similar postmedial, though this runs squarely distal to the reniform
rather than in an obtuse angle as in papuana and
torsivena.
Unlike in those species, the submarginal is not accompanied by black patches.
The labial palps are atypically short for the genus.
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Lithosiopsis”
bicoremata
(paratype) |
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The male
abdomen has the framed corematous sternite strongly modified, with central pouch
flanked by two elongate structures, possibly further pockets, with pair of small
coremata between them and just anterior to the central pouch. The genitalia have
tongue-like valves as in Lithosiopsis but
these are distinguished by central flexure within which are two shallow but
complex lobes. The juxta is somewhat H-shaped. The female has the ostium set
anteriorly beneath the moderately reduced seventh sternite. The ductus is
moderate, straight, sclerotised, the bursa small, rugose, constricted at one
third by a scobinate belt, basal to which a further slight ring of small spines.
These various unusual features indicate the placement of the species requires
further study.
Holotype
. SARAWAK: Gunong Mulu Nat. Park, R.G.S. Exped. 1977-J.D.Holloway et al.),
Site 14, Site 14, February, Camp 2.5, Mulu, 1000m. 413461, lower montane for.,
BM noctuid slide 18148.
Paratypes:
1
general
data as holotype but Site 25, April, G. Api, 900m, 427550, lower montane forest,
1 (slide 19222) same general data but Site 26, April, G. Api
Pinnacles, 1200m 428545, open scrub.; 3 same
general data but Site 27, April, G. Api, 1500m. Pandanus Camp, 429541, scrub, Pandanus,
1
NORD
BORNEO; Mont Kina Balu, 5.8.1903 (John Waterstradt).
Geographical
range. Borneo.
Habitat
preference. All material with precise data is from montane forest or scrub,
most specimens being from the limestone G. Api.
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