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Hemithea
insularia Guenée
Thalera insularia Guenée, 1857, Hist. nat. Insectes, Spec.
gen. Lep., 9: 469.
Hemithea insularia duplicata Prout,
1917, Novit. zool., 24: 297.
Hemithea
insularia 
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Hemithea
insularia
Guenée |
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Diagnosis. The fascies bears close resemblance to that of members of the tritonaria
group but the forewing postmedial is flexed basad centrally to meet the
costa at more of a right-angle. The male genitalia are distinctive, with
slender, flexed socii as in the next two species and an upturned valve apex, but
the process dorsal to the central declivity is much more rounded. The saccular
process is elongate in typical insularia (Borneo) and ssp. duplicata (Fergusson
I.) but shorter, with more curvature, in material from Taiwan (slide 9902) and
Sulawesi (slide 11475). Two species may be involved.
Geographical range. Widespread in Indo-Australian tropics.
Habitat preference. The three recently collected specimens have all been from lowland
localities, two from mixed dipterocarp forest and one from secondary forest.
Biology. The species has been reared from Desmos (Annonaceae) and Glochidion
(Euphorbiaceae) in Hong Kong (Dr M.J. Bascombe and K. Li, pers. comm.). The
larva is illustrated as above.
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