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Pantana Walker
Type species: dispar Walker = visum Hübner, S.E. Asia,
Sumatra.
In facies, species of Pantana are not dissimilar from those of Laelia,
but have general differences as discussed for Laelia and below,
particularly with regard to the position and intensity of darker spots on the
forewing: these are adjacent to the cell. The build is also more delicate, the
wings generally broader.
The male abdomen lacks tymbal organs. The genitalia have a short, rather
triangular uncus, no gnathus, and a broad, shallow saccus. The valves are
squarish, though sometimes with one or both the distal angles produced. The
aedeagus is straight, with a variably scobinate vesica, and often has a ventral
digitate process centrally.
In the female the pseudopapillae are narrow as in Laelia. The
ductus has the ostial funnel densely scobinate, and the short section to the
ductus seminalis rather fluted, and coiled once. The bursa is pyriform with a
small central signum, a finely scobinate sclerotised disc, sometimes slightly
indented.
Wang (1993) illustrated the larva of a Taiwanese species. It is a pale
rusty orange with long secondary setae on verrucae and the usual four dorsal
brushes of the Orgyiini. Host-plants noted were all Gramineae.
The genus is diverse in the Oriental tropics to Sundaland and, with
several endemics, the Philippines. It is not known from Sulawesi but has an
outlier in the S. Moluccas.
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