Troides amphrysus and T. cuneifera.

[Psyche]

These two Sundanian species are very similar and often confused.
Since they can vary a fair bit in different regions, the descriptions here are for the subspecies in peninsular Malaysia.
TROiDES.png


Troides. (Tros + ides.)
Descendants of Tros
Tros was the founder of Troy in Greek mythology.


Troides amphrysus ruficollis.
Amphrysus, a river in Thessaly, ancient Greece.
ruficollis...red collar.

FW with the veinstripes relatively clear throughout.
In some males may be weak.
Thorax with a red collar which may be obscure or hard to see.
Thorax beneath wholly black.
Female FW rather brown.
Female HW submarginal spots 2 and 3 tend to be long pointed.
https://www.inaturalist.org/observations/267847408
https://www.inaturalist.org/observations/267847406
https://www.inaturalist.org/observations/288720499
https://www.inaturalist.org/observations/298589377
https://www.inaturalist.org/observations/186372165



Troides cuneifera peninsulae. Highland species.
cuneifera... bearing wedges.
peninsulae.. the peninsula ie. Peninsular Malaysia.

The nominate ssp from Java is remarkable for having HW black wedges
https://i.pinimg.com/736x/de/e9/c7/d...fc5cac28c4.jpg

FW with the apical parts of the veinstripes fading & becoming obscure.
This is much more apparent in the male, variable.
It is rather weak in the female, the apical stripes being merely darkened.
Thorax with the collar black and red marks on the sides.
Female with HW submarginal spots 2 & 3 more rounded.
https://www.inaturalist.org/observations/173871442
https://www.inaturalist.org/observations/24440851
https://www.inaturalist.org/observations/286985801



TL Seow: Cheers.