Thursday, 4 August 2016

195. Euripus nyctelius mastor (The Courtesan)

Number: 195
Family: Nymphaliidae
Sub-Family : Apaturiinae
Species: Euripus nyctelius mastor Fruhstorfer, 1903
Common name(s): The Courtesan
Photography locations: Xuan Son N.P. (Phu Tho Prov.), Tam Dao (Vinh Phuc Prov.)

The genus Euripus is represented in Vietnam by 2 species viz. nyctelius mastor and consimilis eurinus, both recorded in the 3 main regions of the country (North, Central and South) - but consimilis appears to be rarer, at least in the North .
Euripus nyctelius is a widespread Indo-Malayan species, occurring from India to S. China, Indochina, extending south to Sumatra, Borneo.

A male Courtesan, showing bluish black upperwings with series of white spots/streaks on both wings
(Xuan Son, 300m asl, June 2016)

Female are larger and polymorphic - mimic the distasteful Euploea species (Batesian mimicry). The eyes of both sexes are yellow but those of the female are darker with varying degrees of brown shading.

Same specimen than above

A male specimen puddling on forest floor (Tam Dao, 900m asl, September 2016) giving a view of its underside

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