Aphis (Aphis) fabae Scopoli, 1763

Diagnosis

Aptera 1.5–3 mm, dull black. See under Picea (entry A12, p. 12).

E11 (E1) Aphids on roots of Pinus ................................................................................................E12

E12 (E13) Apterae 2–6 mm, with brown, grey or blackish colours; siphunculi present as pores elevated on cones. Usually on thick exposed roots ............................................................................ ........................................................ Cinara Curtis, 1835 go to entry point E7 above (p. 34)

E13 (E12) Apterae 0.5–2 mm, pale pinkish, exuding abundant white wax wool; siphunculi absent. On thin roots .................................................................................... Prociphilus Tullgren, 1925