The Mandate ferries a pollinator north before its partner blooms

Begin on the Cascade foothills at first light, where the ground smells of crushed lupine and cold stone. A Mandate crew is unloading wooden nest blocks from the back of a hauler as if they were carrying something asleep. Inside those blocks is a bee most people have never named — Andrena caudata, a mining bee that feeds its young on the pollen of one small family of slope wildflowers and almost nothing else. The crew has driven it a hundred and forty kilometers north of the only ground it has ever known.

And who remembers that ground? It is still there, on a warming southern flank where the flowers now bloom two and a half weeks before the bees emerge to meet them. The bee wakes to an empty table.

"A generalist would shrug and move to something else," said Dr. Priya Achterberg, the entomologist leading the relocation. "This one can't. It has one job and one crop, and the crop kept moving its calendar until the two came apart." She held a nest block up to the light and did not smile. "So we move the bee. And then we wait to see if we moved it into a lie."

The gamble is a season

The lie, if it is one, is timing. The wildflowers the bee depends on are themselves migrating north, seeded and coaxed by restoration crews across roughly forty hectares of newly rewilded ground. But plants and pollinators don't travel at the same speed, and they don't keep the same clock. The transplanted colony has to survive a full season on this cooler slope — through emergence, through the lean weeks before the local blooms arrive — betting that when its own host flowers finally shift this far north, the two will find each other again on the same warming morning.

"We are asking the bee to arrive early to a house that isn't built yet," said Tomas Erel, the field lead who has walked this ground since it was first cleared of its old plantation rows. He showed me the supplemental plots — patches of interim bloom the crews sowed to feed the colony through its first hungry weeks, a bridge meant to be temporary. "If the bridge holds, we take it out in a few years. If it doesn't, we've fed them to no purpose and lost the line."

The Gaia Ledger will record this ground as biomass gained and a species range extended. Henrik Vantaa will tell you, correctly, that the numbers are clean. What the numbers can't hold is the interval — the anxious, unaccountable weeks between a bee waking and a flower opening, where the whole enterprise either becomes a partnership again or becomes two lonely species on the same hill. He calls this counting. I call it the part where nobody's watching what actually happens to the bee.

Achterberg checked the nest blocks a final time before the crew set them into the cold soil. She has done this on four slopes now and lost two. "The southern ground raised these bees for ten thousand years," she said. "We're asking this ground to learn how in one."

The first blooms are expected in the third week of the season. The bees are expected to wake in the second. Every hectare returned is a hectare somebody has to watch, hour by hour, to see if it remembers what it used to know. We should keep moving them north. We should also stand here long enough to see whether the table is set when they arrive.