Piedmont hazelnuts may rise 5 to 10% in 2026, but Asian stink bug risk remains. What EU buyers should require on QC, residues, and contracts.

Lazio restarts samurai wasp releases in 2026. What Viterbo hazelnut growers and global buyers should expect for BMSB, residues, and quality.

What the Viterbo hazelnut trial with Anastatus bifasciatus suggests for BMSB IPM, kernel defect reduction, and low-residue compliance.

Italy hazelnut threat map 2026: rising disease and stink bug risks, IPM actions, and buyer QC tactics for Campania, Piedmont, and Lazio.