Pineus (Pineus) strobi (Hartig, 1837)

Fig. 81

Diagnosis

Apterae 0.7–0.9 mm, similar to P. cembrae . Wax glands on cephaloprothoracic shield between eyes usually with less than 30 facets per group. Anholocyclic on Pinus . Found on shaded parts of trunk and branches. Alatae (sexuparae) fly to Picea mariana and lay eggs, but the sexual phase is abortive. Diagnosis based on Heie (2004) and Blackman & Eastop (1994).

Recorded hosts

Pinaceae: Pinus peuce, sibirica, strobus .

Distribution

D N S (North America, introduced to Europe).

E3 (E2) Siphunculi present at least as pores; adults without sclerotised ovipositor. Apterae rarely less than 1.2 mm; antennae at least 4-segmented ............................................................. E4

E4 (E10) Siphunculi present as pores .............................................................................................. E5

E5 (E6 E7) Body slender, at least twice as long as wide, with or without wax bloom ........................... ................................................................................................ Eulachnus del Guercio, 1909