Field Notes: June 14, 2025 Location: Bois de Vincennes, Paris, France Encounter Summary: The midday sun was filtering through the canopy, dappling the lichen-crusted branches of an old oak near the lake. My attention was drawn to a solitary, perfectionist splash of pink perched precariously on the bark—an anomaly, as no rosebushes grew in the immediate vicinity. This was the Calyx volaticus, known affectionately by local botanists as the "Petal-Wing." At rest, its elytra form a tight, seamless b

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