Pineus (Pineus) strobi (Hartig, 1837)

Albrecht, Anders Christian, 2017, Illustrated identification guide to the Nordic aphids feeding on Conifers (Pinophyta) (Insecta, Hemiptera, Sternorhyncha, Aphidomorpha), European Journal of Taxonomy 338, pp. 1-160 : 31

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

Figures

Fig. 81. Pineus (Pineus) strobi (Hartig, 1837). A. Alata, head and prothorax (after Carter 1971, modified from Heie 2004). B. Alata, abdomen (after Börner, modified from Heie 2004). C.Aptera, outer intraocular group of wax gland pits (freely after Blackman & Eastop 1994).