Prociphilus (Prociphilus) fraxini (Fabricius, 1777)

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 : 19-20

Prociphilus (Prociphilus) fraxini (Fabricius, 1777)

Diagnosis

Apterae 1.8–2.7 mm, pale, wax-covered. Very similar to P. bumeliae , but with posterior wax gland plates on head weakly developed, sometimes absent. Diagnosis based on Heie (2004). Holocyclic and dioecious, alternating between Fraxinus excelsior (Oleaceae) and roots of Abies , where wax-covered colonies are formed. Not ant-attended.

Recorded secondary hosts

Pinaceae : Abies alba , balsamea , nordmanniana , sibirica , spp.

Distribution

D N S.

Remarks

Holman (2009) also lists Prociphilus (Stagona) xylostei from Abies roots. See under Picea (entry A17, p. 17).

B3 (B2) On aerial parts of the tree .................................................................................................B4 B4 (B7) Antennae at most 3-segmented. Scattered on bark or needles .........................................B5 B5 (B6) On needles .................................................................. Adelges (Aphrastasia) Börner, 1909