Aphis (Aphis) fabae Scopoli, 1763

Fig. 26

Diagnosis

Aptera 1.5–3 mm, dull black; legs and antennae partly white; abdomen sometimes with white wax markings; usually ant-attended. Polyphagous species (or group of species). Holocyclic and dioecious, primary hosts are Euonymus (Celastraceae), Philadelphus (Hydrangeaceae) and Viburnum (Adoxaceae) . Numerous plants, mostly herbs, serve as secondary hosts. Only occasionally on conifers. Often attended by ants, but none recorded from conifers.

Recorded coniferous hosts

Pinaceae: Picea sitchensis; Larix decidua, kaempferi; Tsuga heterophylla; Pinus contorta .

Distribution

D S N F I.

A13 (A12 A14) Siphunculi present as pores not raised from body surface ........ Mindarus Koch, 1857