Type species: potatoria Linnaeus.
The genus was reviewed by Lajonquière (1978b) as Philudoria Kirby, but see
Fletcher & Nye (1982).
It has gastropachine hindwing venation and a 'dead leaf' patterned
forewing: an oblique dark line running from the apex to the centre or base
of the dorsum where it may engage with a paler blotch within which there
are sometimes dark lines.
In the male genitalia the eighth tergite is slightly more sclerotised than
the rest and weakly lobed distally. The tegumen is a weak sclerotised
ribbon from which arises a pair of setose lobes. The aedeagus is long,
curved, slender, heavily sclerotised, fused subbasally to part of the
juxta with its apex extending between two anterior juxtal processes which
are often reflected by similar processes directed posteriorly from the
cubile. The valves, except for the Bornean species where they are
unequally bifid, consist each of a single simple sclerotised process,
often arising from a broader base.
The larva has lateral protruberances and secondary setae as in other
members of the family. A description of the larva of E. laeta may be found
genus is most rich in the tropics and subtropics of mainland Asia but
includes Palearctic species and four that extend to the Sunda Shelf. Two
occur in Borneo.
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