''Tajuria diaeus'', the straightline royal, is a

butterfly Butterflies are insects in the macrolepidopteran clade Rhopalocera from the Order (biology), order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The ...

in the family

Lycaenidae Lycaenidae is the second-largest family of butterflies (behind Nymphalidae, brush-footed butterflies), with over 6,000 species worldwide, whose members are also called gossamer-winged butterflies. They constitute about 30% of the known butterfl ...

. It is found in

Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...

. The larvae feed on ''

Taxillus caloreas ''Taxillus''（Chinese : 桑寄生） is a plant genus in the mistletoe family: Loranthaceae. Species * '' Taxillus assamicus'' Danser * '' Taxillus balansae'' (Lecomte) Danser * '' Taxillus baviensis'' Bân * '' Taxillus bracteatus'' Van Ti ...

'' and ''

Loranthus kaoi ''Loranthus'' is a genus of parasitic plants that grow on the branches of woody trees. It belongs to the family Loranthaceae, the showy mistletoe family. In most earlier systematic treatments it contains all mistletoe species with bisexual flower ...

''.

Subspecies

*''Tajuria diaeus diaeus'' (Assam, Burma, northern Thailand) *''Tajuria diaeus dacia'' Druce, 1896 (Java) *''Tajuria diaeus karenkonis'' Matsumura, 1929 (Taiwan) *''Tajuria diaeus mirabilis'' Y. Seki, 2006 (Sumatra)

References

Butterflies described in 1865 Tajuria Butterflies of Asia Taxa named by William Chapman Hewitson {{Theclinae-stub