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Lambula
Walker
Type species: melaleuca Walker, Moluccas.
Synonym: Palaexera Meyrick (type
species phyllodes Meyrick, Australia).
The species included in this genus by
Hampson (1900) are in need of review.
Features of males that
appear to be shared by the generic type species (though the abdomen of the
unique male of melaleuca is lost) and at least the first two Bornean
species are the folding of the male forewing costa on the underside (Fig le), a
small tuft of scales associated with the hindwing costal zone and a rather
flimsy articulation of the narrow aedeagus with the tegumen. The saccus is
bilobed and the aedeagus has a single slender cornutus on the vesica. The female
genitalia are more varied, typically with an ovate bursa (longer and narrower in
fuliginosa, with small diverticula) containing two signa, umbonate or
with acute processes centrally.
Fig 1e: Lambula fuliginosa Walker
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