A Regal Find: New Moth Species Named in Honor of Pope Leo XIV
Deep in the rugged White Mountains of Crete, researchers have uncovered a "royal" addition to the insect world. A team from the Tyrolean State Museum, the Finnish Museum of Natural History, and the Bavarian State Collection of Zoology recently identified a vibrant new moth species: Pyralis papaleonei—or the Pope Leo Moth.
Published in the journal Nota Lepidopterologica, the discovery proves that even in well-traveled European landscapes, nature still holds hidden treasures.
Appearance and Biology
While many moths are known for drab camouflage, the Pope Leo Moth stands out with a striking, "noble" palette.
Size: A medium-sized moth with a wingspan of roughly 2 cm.
Coloration: Vibrant purple forewings accented by an orange-gold patch and bold white bands.
Habitat: Currently known only to the Lefka Ori (White Mountains) in western Crete, making it an endemic species unique to the island.
Behavior: The species is active in June and is drawn to artificial light sources, though much of its life cycle remains a mystery.
Researchers used a combination of classical morphology (examining wing patterns and physical structures) and genetic fingerprinting to confirm the find. Molecular data showed a 6% divergence from its closest relative, solidifying its status as a unique species.
A Tradition of Splendor
The name Pyralis papaleonei follows a centuries-old tradition of giving "sonorous" names to this specific genus.
1775: Pyralis regalis (Royal)
Later additions: Pyralis princeps and Pyralis cardinalis
By naming this moth after Pope Leo XIV, lead researcher Peter Huemer intended to bridge the gap between science and stewardship. In Christian tradition, moths and butterflies symbolize metamorphosis and the soul. Huemer views the name as a symbolic appeal to the Papacy to champion the protection of "all creation."
The Urgency of Taxonomy
Despite being one of the most studied continents, Europe is still yielding new species. In the Alps alone, 200 unknown species have been found in recent decades.
"We are facing a global biodiversity crisis, yet only a fraction of the world's species has been scientifically documented," says Huemer. "Effective conservation requires that species are first recognized and named."
With roughly 700 new moth species described annually—mostly in the tropics—the discovery of the Pope Leo Moth serves as a vivid reminder that the "first profession of humankind" (taxonomy) is far from finished. To save a habitat, we must first know who lives there.
Source - https://phys.org/news/2026-05-ecclesiastical-moth-pope-leo-xiv.html
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