Chestnut Parasites

I spotted this little gadget chugging steadily across a table in the living room:

Chestnut parasite larva - detail
Chestnut parasite larva – detail

Nearby, two of its friends / siblings / clones remained near their landing craft:

Chestnut parasite larvae - overview
Chestnut parasite larvae – overview

They’re about 5 mm long and, although there are no larva-size holes visible in the chestnuts tucked inside the burr, that’s definitely where they started their journey.

A few hours later, the rest of the crew bailed out:

Chestnut parasite larvae - irruption
Chestnut parasite larvae – irruption

The exit hole must be on a nut under the curve of the husk, but they’re sufficiently squishy to wriggle their way out. The little brown dot over on the left belongs to the top larva of a pair queued in the exit corridor:

Chestnut parasite larvae - exiting husk
Chestnut parasite larvae – exiting husk

I lost count at 18. There’s surely more where they came from, so I replaced the plate with a bowl to reduce the quantum tunneling probability.

In an ideal world, they’d grow up to be chestnut weevils, but I put them out near the suet feeder and, a few hours later, my offering was accepted.

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