Adelges (Aphrastasia) pectinatae (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 : 8

Adelges (Aphrastasia) pectinatae (Cholodkovsky, 1888)

Fig. 5

Diagnosis

Fund. juv. with spinal, pleural and marginal wax pore plates. Al. gallicola reddish brown, wax glands on head and prothorax with many distinct facets; rhinaria on ant. III, IV and V occupying more than half segment length. Gall compact, cone-like, dull green as young, later reddish-brown, 10–17 mm. Holocyclic and dioecious, alternating between Picea and Abies (see also p. 20). In Finland A. pectinatae seems to be anholocyclic on Abies .

Recorded primary hosts

Pinaceae : Picea abies , glauca , glehnii , jezoensis , koraiensis , sitchensis .

Distribution

F N S.

Figures

Fig. 5. Adelges (Aphrastasia) pectinatae (Cholodkovsky, 1888). Gall on Picea abies (after Cholodkovsky, redrawn and modified from Shaposhnikov 1964).