Adelges (Dreyfusia) nordmannianae (Eckstein, 1890)

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 : 8

Adelges (Dreyfusia) nordmannianae (Eckstein, 1890)

Fig. 6

Diagnosis

Fund. juv. only with spinal and marginal wax pore plates; wax pore plates on inner margins of meso- and metathoracic spinal sclerites with numerous small pits arranged in 2–4 areas of rather rounded shape. Al. gallicola: 1.1–2.3 mm, wax glands on head and prothorax of granular appearance, without or with a few indistinct facets. Galls 7–15 mm, terminal, globular, red when young (resembling strawberries), later greenish with red or purple at bases and tips of scales. Holocyclic and dioecious, alternating between Picea orientalis and Abies (see also p. 20).

Recorded primary hosts

Pinaceae : Picea orientalis (usually), abies , omorika .

Distribution

D N S.

Figures

Fig. 6. Adelges (Dreyfusia) nordmannianae (Eckstein, 1890). A. Gall on Picea orientalis (orig.). B. First instar hibernating fundatrix, spinal plates on meso- and metathorax (left side), showing arangement of wax gland pits (after Eichhorn 1956). C. Gallicola (after Carter 1971, redrawn and slightly modified from Heie 2004).