Description
Graphium weiskei, Purple Spotted Swallowtail from West Papua, Indonesia.
You will receive this specimen, or one like it.
An excellent choice — Graphium weiskei, often called the Purple Spotted Swallowtail or Weiske’s Swordtail, is one of the most spectacular butterflies on Earth. Native to the misty highlands of West Papua, Indonesia, this species is a perfect marriage of delicate structure and optical wonder — a winged gemstone that shows how evolution can be both practical and breathtakingly artistic.
Appearance & Identification (a natural kaleidoscope)
Graphium weiskei is instantly recognizable by its vivid, iridescent patches of violet, turquoise, and green set against a velvety black background. Its forewings display glassy purple-blue spots that shimmer in changing light, while the hindwings carry short tails and a striking turquoise band near the edge. The combination makes it look like a living fragment of stained glass in flight. Wingspans typically range between 60–70 mm, small enough for agility yet large enough to flaunt its colors dramatically.
Where It Lives & How It Thrives
This butterfly inhabits montane rainforests of West Papua, often at elevations between 1,500–2,000 meters. In these cool, humid regions, it flits among flowering shrubs and treetops, feeding on nectar. The caterpillars, like those of many Graphium species, feed on plants in the Annonaceae family. The adults’ fast, darting flight and elusive habits make observing or collecting this species a challenge — one reason it’s so treasured in entomological collections.
Why It’s So Special
Graphium weiskei’s dazzling coloration is not produced by pigment but by structural iridescence — microscopic ridges on the wing scales refract and scatter light, creating that shifting, jewel-like glow. Each scale acts like a tiny prism, and the resulting hues change depending on the viewing angle and lighting — a vivid demonstration of the physics of color in nature.
Rarity & Collector Interest
This species is highly prized but responsibly collected, as it inhabits remote and specific highland zones. Because of its limited distribution and fragile beauty, specimens in perfect condition — with intact tails and unmarred scales — are considered treasures for both private and museum collections.
Quick Display Label Summary:
• Family: Papilionidae (Swallowtails)
• Genus/species: Graphium weiskei
• Common name: Purple Spotted Swallowtail
• Origin: West Papua, Indonesia
• Wingspan: 60–70 mm
• Traits: Iridescent violet and turquoise patches; short tails; mountain rainforest species.
