Pineus (Pineus) cembrae (Cholodkovsky, 1888)

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) cembrae (Cholodkovsky, 1888)

Figs 77–80

Diagnosis

Apterae 0.5–0.8 mm, red-brown with blackish sclerites, covered in wax wool. Wax glands on cephaloprothoracic shield with closely packed, more or less polygonal facets; groups closest to ocelli usually with more than 40 facets. Holocyclic, dioecious, alternating between Picea (see p. 7) and Pinus . At least in Finland also anholocyclic on Pinus . Parks, forests, street plantations. Scattered on young shoots, twigs and cones, overwintering in bark crevices and under scales.

Recorded secondary hosts

Pinaceae : Pinus cembra *, koraiensis , pumila , sibirica *.

Distribution

F S.

Figures

Fig. 77. Pineus (Pineus) cembrae (Cholodkovsky, 1888). Apterae on young growth of Pinus cembra. In D, also a scymnine ladybird larva (Coleoptera, Coccinellidae).

Fig. 78. Pineus (Pineus) cembrae (Cholodkovsky, 1888). Apterae with eggs and juveniles on young growth of Pinus cembra. (wax wool removed). In B, also a syrphid (Diptera, Syrphidae) larva.

Fig. 79. Pineus (Pineus) cembrae (Cholodkovsky, 1888). Overwintering apterae on twig of Pinus cembra. Bud scales and wax wool removed.

Fig. 80. Pineus (Pineus) cembrae (Cholodkovsky, 1888). A–B. Adult aptera; in B showing outer intraocular group of wax gland pits (after Inouye 1953, modified.). C. Hibernating nymph (after Inouye 1953, modified from Pashchenko 1988). D–E. Abdomen of gallicola (D) and sexupara (E) (after Börner, modified from Heie 2004).