Where the packages opened? Maybe the wodden box.

Additional provisions for the Asian longhorned beetle

Zusätzliche Bestimmungen für den Asiatischen Laubholzbockkäfer

from here:
https://www.wald-und-holz.nrw.de/ueber-uns/holzwirtschaft/import-und-export-von-holz/holzimporte-in-die-eu-und-in-die-bundesrepublik-deutschland/

I don’t know if the website is up to date, but it’s at least a hint.

You are on a tropical island, so customs officer thinks it’s tropical wood?