Oviposition cage design. Cages enclosed 1 m of a mature red pine bole and were approximately 50 cm in diameter.

 
 
  Part of: Bittner TD, Havill N, Caetano IAL, Hajek AE (2019) Efficacy of Kamona strain Deladenus siricidicola nematodes for biological control of Sirex noctilio in North America and hybridisation with invasive conspecifics. NeoBiota 44: 39-55. https://doi.org/10.3897/neobiota.44.30402