Spruce budworm (Choristoneura fumiferana - Clemens).

01 octobre 1994

Kenis M., Chalon P., Poznanski R., Lopez-Vamonde C. Spruce budworm (Choristoneura fumiferana - Clemens). In: Annual report for Canadian Forest Service. Delémont (Suisse); IIBC, European Station 1994. p. 26-27. [Rapport]

Spruce weevil (Pissodes strobi - Peck)

01 octobre 1994

Kenis M., Chalon P., Lopez-Vamonde C. Spruce weevil (Pissodes strobi - Peck). In: Annual report for Canadian Forest Service. Delémont (Suisse): IIBC, European Station; 1994. p. 1-13. [Rapport]

Spruce seed moth (Cydia strobilella - L.) and Spruce cone maggots (Strobilomya sp.)

01 octobre 1994

Kenis M., Lopez-Vamonde C., Chalon P. Spruce seed moth (Cydia strobilella - L.) and Spruce cone maggots (Strobilomya sp.). In: Annual report for Canadian Forest Service. Delémont (Suisse): IIBC, European Station; 1994. p. 14-18. [Rapport]