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Ditrigona paludicola sp. n.
8mm.
The wings are fasciated and marked irregularly with grey on white more as in 'Zusidava'
serratilinea than in typical Ditrigona as discussed above. The wing
margins are rounded, that of the hindwing slightly produced centrally, unlike in
serratilinea and the genera Zusidava Walker (discussed next) and Pseudomodesa
Warren (New Guinea) where they are distinctly angled. The male antennae are
bipectinate (unipectinate in serratilinea and the type species of the
other genera; variable in Ditrigona). The fascia intermediate between the
postmedial and submarginal is broken, with its strong patches repeated at the
margin on the forewing. The male genitalia have the socii and uncus lobes
broadly rounded, giving a four-lobed appearance to the distal part of the
tegumen: the uncal lobes are smaller than those of the socii. The valves are
reduced, falcate, setose, with rather quadrate, setose, basal interior processes
to the sacculus. The eighth abdominal segment is box-like with several
longitudinal bands of sclerotisation.
Holotype .
BRUNEI: 15m, Daerah Belait, Badas, swamp forest, 26 Feb '82 (Lt. Col.
M.G. Allen) BM drepanid slide 2106.
Paratype: 1 as
holotype.
Geographical range. Borneo, Sumatra (Padang; slide 2105).
Habitat preference. Both Bornean specimens were taken in lowland swamp
forest.
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