Troides prattorum (Buru Opalescent Birdwing)

Troides prattorum, also called Buru Opalescent Birdwing is a butterfly from Australasia / Indomalaya ecozone (Australia). The first description was in 1922 by Joicey & Talbot. The wingspan is about 15 – 17 cm. This butterfly is a member of the family PAPILIONIDAE. Troides prattorumis black. The hind wings are golden. It has an optical effect. At a diagonal point of view the golden hind wings will change their colour into blue or green. The females are dark-brown or black.



Photos for easy identification

Photo © by Naturhistorisches Museum Wien; Photographer Thomas Neubauer
Photo © by Naturhistorisches Museum Wien; Photographer Thomas Neubauer
Photo © by Naturhistorisches Museum Wien; Photographer Thomas Neubauer
Photo © by Naturhistorisches Museum Wien; Photographer Thomas Neubauer

Here you can see some photos of Troides prattorum (Buru Opalescent Birdwing) (male above / female below). Troides prattorum is a member of the family PAPILIONIDAE from Australasia / Indomalaya (Australia).


Description

The fore wings are black. The veins are bordered by white colour.
The underside of Troides prattorum is very similar to the upside, but some veins are bordered by yellow colour.

The hind wings of Troides prattorum are golden. The veins and the edge of the wing are black. The golden area has an optical effect. Sometimes it looks like an opal. The golden colour can change into green colour or blue colour. 
The underside is very similar to the upside and has also the optical effect.

The body (abdomen) is black. Head and thorax are black. The underside of thorax has red hairs. 

Sex differences: The female covers the upper range of the wing-span. The basic colour of the female is dark-brown or black. The veins are bordered by white colour. There is a small golden area with dark veins on the hind wings. At the edge there is a chain of golden spots. The underside is a copy from upside.


Distribution

Troides prattorum is a butterfly from the Australasia / Indomalaya (Australia) ecozone. You can observe this butterfly in Buru.


This world map shows the ecozones in which this butterfly is distributed.

Larval food

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General information

The first description of this butterfly was in 1922 by Joicey & Talbot. There are no subspecies.

Troides prattorum is, like all other Birdwings a true miracle of nature. This butterfly is strictly protected. It is listed in the appendix II from CITES.

The hind wings have an optical effect. At a definite point of view the golden area can change its colour like an opal. The golden colour will change into a green colour or a blue colour. This phenomenon is very fantastic.

Photo © by Naturhistorisches Museum Wien; Photographer Thomas Neubauer
Photo © by Naturhistorisches Museum Wien; Photographer Thomas Neubauer
Photo © by Naturhistorisches Museum Wien; Photographer Thomas Neubauer
Photo © by Naturhistorisches Museum Wien; Photographer Thomas Neubauer
Photo © by Naturhistorisches Museum Wien; Photographer Thomas Neubauer
Photo © by Naturhistorisches Museum Wien; Photographer Thomas Neubauer

Here you can see the optical effect of Troides prattorum.


Protection provisions / Red List

Similar and closely-related species

Troides aeacus C. & R. Felder 1860 (Golden Birdwing)

Troides magellanus C. & R. Felder 1862 (Magellan Birdwing)

Troides rhadamantus Lucas 1835


Scientific name

Troides prattorum Joicey & Talbot 1922  


Other names

 Buru Opalescent Birdwing


Classification / Taxonomy / Family tree

To family tree (Genus: TROIDES)...    


Ecozone

AUSTRALASIA / INDOMALAYA (Australia)

 

To the top

Back to family Papilionidae from AUSTRALAISA / INDOMALAYA (AUSTRALIA) 

 

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