Type species: dolichus Westwood.
The species in this genus have a greenish brown body and forewings, the
former with a pale yellow dorsal stripe and the latter with basal to
medial, postmedial and submarginal series of pale green to yellow,
oblique, straight stripes with a progression from dull to bright distally
within each series. The hindwings are brown, grading leaden grey towards
the base. The abdomen is very long.
In the male genitalia the uncus and gnathus are strong, undivided. The
harpe of the valve is an angular thin ridge.
The larva has a striking, single dorsal ocellus on segment A1, that
extends anteriorly into T3; this zone is markedly swollen. The horn is
curved over anteriorly in early instars and reduced to a small button-like
prominence in the final instar. Host-plants recorded are mainly in the
Vitidaceae and relatives.
The pupa has a massive, slightly coiled tongue case that is partially
There are two species in the genus, the type species and one in the
Philippines (D'Abrera, 1986: 130).
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