Prociphilus (Stagona) xylostei (De Geer, 1773)

Diagnosis

Holocyclic and dioecious, alternating between Lonicera (Caprifoliaceae) and Picea . An anholocyclic population on Picea roots is upheld throughout the year. Not ant-attended.

Recorded secondary hosts

Pinaceae: Picea abies *, glauca, sitchensis; Pseudotsuga menziesii . According to Holman (2009) also on Abies .

Distribution

D F N S.