Physarum · Track 13 · middle
Ode to Metatrichia vesparium
Dark cup-shaped spore cases packed together in dense clusters, resembling a hornet's nest — hence vesparium, from vespa, wasp. Dark red-brown to nearly black, the cups open to release spores into the air. Found on decaying wood in forests. An ode to the resemblance that is not mimicry — the form that echoes a predator without knowing what a predator is, the shape that looks like a warning and means nothing, threatens no one, and disperses in wind. | NEUROSCIENCE LENS: Mimicry without nervous system — Metatrichia arrives at the hornet's-nest form with no knowledge of hornets, no predator to fool, no selective pressure toward warning coloration in this context. Form convergence as pure accident. What the brain calls mimicry; what the slime mold just does.
Lyrics
October, 2019. Great Smoky Mountains. I stop, mid-step. My boot hovers over the leaf litter. My hand freezes an inch from the fallen oak. A familiar geometry of threat. Dark cups, packed tight. A honeycomb of silence. Deep red-brown, darkening to black at the open rims. A paper city, built for a phantom queen. Vesparium, he called it. August Batsch, in 1786. He saw the wasp in the shape, the vespa in the architecture, and gave it a name that holds a sting. But this is the warning that isn't a warning. The mimicry with no mind to mimic. The threat that threatens nothing, that has never known venom. It just looks like a memory of being stung. A pure accident of form. A story my own nerves are telling me. No primary account records anyone fleeing. No collector mistook it for a living hive. He wrote it down in Latin, a label for a shadow. A way for a human brain to file the world away. This looks like that. This cluster of spore-cases... that cluster of wings and territorial fury. The warning that isn't a warning. The mimicry with no mind to mimic. The threat that threatens nothing, that has never known venom. It just looks like a memory of being stung. A pure accident of form. A story my own nerves are telling me. My brain calls it mimicry, a clever disguise. My amygdala fires a ghost signal, a leftover code. But this organism has no predator to fool. It has no one to impress. It knows only how to build a cup, how to dry into paper, how to open its lid and lift on the wind. It doesn't know what a wasp is. It will never know. My finger traces the rim. Cool. Waxy. A dry, papery rustle as the wind moves through the branches. Spores rise like dust into the overcast light. They mean nothing. They carry no sting. Just a shape. Just the wind.